FRONTIER CORP /NY/
10-Q, 1999-08-03
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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<PAGE>

                        UNITED STATES
             SECURITIES AND EXCHANGE COMMISSION
                   WASHINGTON, D.C.  20549

                          FORM 10-Q

 [x] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
               SECURITIES EXCHANGE ACT OF 1934

        For the quarterly period ended June 30, 1999

                             or

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
               SECURITIES EXCHANGE ACT OF 1934

    For the transition period from              to ______

                Commission file number 1-4166

                    FRONTIER CORPORATION
   (Exact name of registrant as specified in its charter)


               New York                           16-0613330
           (State or other jurisdiction           (I.R.S. Employer
            of incorporation or organization)      Identification No.)

         180 South Clinton Avenue, Rochester, NY   14646-0700
           (Address of principal executive offices)   (Zip Code)

                       (716) 777-1000
    (Registrant's telephone number, including area code)


      Indicate by check mark whether the registrant (1)  has
filed  all  reports required to be filed by  Section  13  or
15(d)  of  the  Securities Exchange Act of 1934  during  the
preceding  12  months (or for such shorter period  that  the
registrant was required to file such reports), and  (2)  has
been  subject to such filing requirements for  the  past  90
days.  Yes  X  No

      Indicate the number of shares outstanding of  each  of
the  issuer's  classes of common stock,  as  of  the  latest
practicable date.

  $1.00 Par Value Common Stock     173,415,499 shares as of July 31, 1999



<PAGE>

                    FRONTIER  CORPORATION

                          Form 10-Q
                            Index

                                                        Page Number
Part I.     FINANCIAL INFORMATION

  Item 1. Financial Statements

         Business Segment Information for the three
         and six months ended June 30, 1999 and 1998          3


         Consolidated Statements of Income for the three
         and six months ended June 30, 1999 and 1998          4

         Consolidated Balance Sheets as of June 30, 1999
         and December 31, 1998                                5

         Consolidated Statements of Cash Flows for the six
         months ended June 30, 1999 and 1998                  6

        Notes to Consolidated Financial Statements         7-13

  Item 2. Management's Discussion of Results of Operations
          and Analysis of Financial Condition              14-25

Part II.  OTHER INFORMATION

  Item 1. Legal Proceedings                                25-27

  Item 4. Submission of Matters to a Vote of Security
          Holders                                             27

  Item 5. Other Information                                27-28

  Item 6. Exhibits and Reports on Form 8-K                    28

  Signature                                                   29

  Index to Exhibits                                        30-32


<PAGE>
<TABLE>
                    FRONTIER CORPORATION
                Business Segment Information
                         (Unaudited)
<CAPTION>
                          3 Months Ended June 30,  6 Months Ended June 30,
In thousands of dollars          1999        1998        1999        1998
- --------------------------------------------------------------------------
<S>                       <C>          <C>         <C>         <C>
Integrated Services
Revenue
 Commercial               $   250,959  $  248,074  $  500,427  $  490,313
 Consumer                      45,035      61,554      95,400     130,211
 Carrier                      168,680     155,036     359,483     293,686
- -------------------------------------------------------------------------
   Total Revenue          $   464,674  $  464,664  $  955,310  $  914,210
Cost of Access                297,167     301,029     609,126     587,816
- -------------------------------------------------------------------------
Gross Margin                  167,507     163,635     346,184     326,394
Selling, General and
Administrative Expense        123,778     118,738     240,882     239,369
Depreciation and
Amortization                   35,353      25,176      67,660      51,111
- -------------------------------------------------------------------------
Operating Income:
 Operating Income Before
 Other Charges                  8,376      19,721      37,642      35,914
 Other Charges                      -           -           -       6,528
- -------------------------------------------------------------------------
   Total Operating Income $     8,376  $   19,721  $   37,642  $   29,386
Capital Expenditures      $   208,051  $   85,639  $  397,146  $  140,924
Total Assets              $ 2,089,382  $1,488,341  $2,089,382  $1,488,341
- -------------------------------------------------------------------------
- -------------------------------------------------------------------------
Local Communications Services
Revenue                   $   182,091  $  175,105  $  361,327  $  348,203
Operating Expenses             84,895      81,826     168,941     162,988
Depreciation and
Amortization                   30,001      28,167      59,675      56,511
- -------------------------------------------------------------------------
Operating Income          $    67,195  $   65,112  $  132,711  $  128,704
Capital Expenditures      $    51,633  $   39,589  $   89,168  $   62,558
Total Assets              $ 1,065,130  $  970,943  $1,065,130  $  970,943
- -------------------------------------------------------------------------
- -------------------------------------------------------------------------
Corporate Operations and Other
Revenue                   $         -  $    8,547  $    4,960  $   17,901
Operating Expenses              8,052      11,917      19,530      25,553
Depreciation and
Amortization                      158         628         721       1,589
- -------------------------------------------------------------------------
Operating Income:
 Operating Loss Before
 Other Charges                 (8,210)     (3,998)    (15,291)     (9,241)
 Other Charges                      -           -       7,520           -
- -------------------------------------------------------------------------
  Total Operating Loss    $   (8,210)  $   (3,998)  $ (22,811) $   (9,241)
Capital Expenditures      $     8,591  $    8,413  $   12,656  $   15,664
Total Assets              $   319,926  $  234,937  $  319,926  $  234,937
- -------------------------------------------------------------------------
- -------------------------------------------------------------------------
Consolidated
Revenue                   $   646,765  $  648,316  $1,321,597  $1,280,314
Operating Expenses            513,892     513,510   1,038,479   1,015,726
Depreciation and
Amortization                   65,512      53,971     128,056     109,211
- -------------------------------------------------------------------------
Operating Income:
 Operating Income Before
 Other Charges                 67,361      80,835     155,062     155,377
 Other Charges                      -           -       7,520       6,528
- -------------------------------------------------------------------------
  Total Operating Income  $    67,361  $   80,835  $  147,542  $  148,849
Capital Expenditures      $   268,275  $  133,641  $  498,970  $  219,146
Total Assets              $ 3,474,438  $2,694,221  $3,474,438  $2,694,221
- -------------------------------------------------------------------------
- -------------------------------------------------------------------------
See accompanying Notes to Consolidated Financial Statements.
</TABLE>


<PAGE>
<TABLE>
                            FRONTIER CORPORATION
                      Consolidated Statements of Income
                                 (Unaudited)

<CAPTION>
In thousands of dollars,    3 Months Ended June 30, 6 Months Ended June 30,
except per share data                1999      1998       1999      1998
- ------------------------------------------------------------------------
<S>                              <C>       <C>        <C>      <C>
Revenue
 Integrated Services             $464,674  $464,664   $955,310 $  914,210
 Local Communications             182,091   175,105    361,327    348,203
 Corporate Operations and Other         -     8,547      4,960     17,901
- -------------------------------------------------------------------------
  Total Revenue                  $646,765  $648,316 $1,321,597 $1,280,314
Costs and Expenses
Operating expenses                499,608   498,302  1,010,738    984,036
Depreciation and amortization      65,512    53,971    128,056    109,211
Taxes other than income taxes      14,284    15,208     27,741     31,690
Other Charges                           -         -      7,520      6,528
- -------------------------------------------------------------------------
  Total Costs and Expenses        579,404   567,481  1,174,055  1,131,465
- -------------------------------------------------------------------------
Operating Income                   67,361    80,835    147,542    148,849
Interest expense                   14,631    12,558     29,850     25,989
Other income:
 Gain on sale of assets             2,000    14,551      2,000     14,551
 Equity earnings from
 unconsolidated wireless interests  5,446     4,178      9,687      6,636
 Interest income                    1,482     1,191      3,134      2,389
 Other income                         165     1,002        173      1,894
- -------------------------------------------------------------------------
Income Before Taxes and Cumulative
 Effect of Change in Accounting
 Principles                        61,823    89,199    132,686    148,330
Income tax expense                 24,450    41,536     55,411     66,753
- -------------------------------------------------------------------------
Income Before Cumulative Effect
of Change in Accounting Principles 37,373    47,663     77,275     81,577
Cumulative effect of change in
 accounting principle                   -     1,755          -      1,755
- -------------------------------------------------------------------------
Consolidated Net Income            37,373    45,908     77,275     79,822
Dividends on preferred stock          255       252        506        503
- -------------------------------------------------------------------------
Basic Income Applicable to
Common Stock                      $37,118   $45,656   $ 76,769    $79,319
Diluted earnings adjustment            90        90        180        180
- -------------------------------------------------------------------------
Diluted Income Applicable to
 Common Stock                     $37,208   $45,746   $ 76,949    $79,499
 ========================================================================
Basic Earnings Per Common Share   $  0.22   $  0.27   $   0.45    $  0.47
Average Shares Outstanding        172,542   170,390    172,048    170,230
=========================================================================
Diluted Earnings Per Common Share $  0.21   $  0.26   $   0.43    $  0.46
Average Shares Outstanding        179,235   174,093    177,273    173,449
=========================================================================
See accompanying Notes to Consolidated Financial Statements.
</TABLE>


<PAGE>
<TABLE>
                           FRONTIER CORPORATION
                        Consolidated Balance Sheets
<CAPTION>
                                   June 30,  December 31,
In thousands of dollars,               1999        1998
except share data                (Unaudited)
- -------------------------------------------------------
<S>                               <C>        <C>
ASSETS
Current Assets
Cash and cash equivalents        $  99,453  $   85,143
Accounts receivable, (less
allowance for uncollectibles
of $60,912 and $45,787,
respectively)                      430,576     422,724
Materials and supplies               7,243       9,924
Deferred income taxes               13,105      13,320
Prepayments and other               27,260      35,563
- ------------------------------------------------------
     Total Current Assets          577,637     566,674
Property, plant and equipment,
 net                             2,038,457   1,677,559
Goodwill and customer base, net    466,851     484,015
Deferred and other assets          391,493     330,495
- ------------------------------------------------------
Total Assets                    $3,474,438  $3,058,743
======================================================
Current Liabilities
Accounts payable                $  449,429  $  449,041
Dividends payable                    8,955      38,508
Debt due within one year            10,508       9,466
Taxes accrued                       39,996      26,128
Other liabilities                   42,341      44,554
- ------------------------------------------------------
     Total Current Liabilities     551,229     567,697
Long-term debt                   1,647,960   1,350,821
Deferred income taxes               50,462      40,046
Deferred employee benefits
obligation                          92,049      81,925
- ------------------------------------------------------
Total Liabilities                2,341,700   2,040,489
- ------------------------------------------------------

Shareholders' Equity
Preferred stock                     18,294      18,770
Common stock, par value $1.00,
authorized 300,000,000
shares; 173,269,723 shares and
171,635,518 shares
issued in 1999 and 1998,
respectively                       173,270     171,636
Capital in excess of par value     640,409     578,946
Retained earnings                  334,325     274,870
Other comprehensive loss            (1,555)     (4,249)
- ------------------------------------------------------
                                 1,164,743   1,039,973
Less -
Treasury stock, 10,849 shares in
 1999 and 1998, at cost                231         231
Unearned compensation -
 restricted stock plan              31,774      21,488
- ------------------------------------------------------
Total Shareholders' Equity       1,132,738   1,018,254
- ------------------------------------------------------
Total Liabilities and
 Shareholders' Equity            $3,474,438 $3,058,743
======================================================
See accompanying Notes to Consolidated Financial Statements.
</TABLE>


<PAGE>
<TABLE>

                       FRONTIER CORPORATION
               Consolidated Statements of Cash Flows
                            (Unaudited)
<CAPTION>
                                                 6 Months Ended June 30,
In thousands of dollars                            1999             1998
- ------------------------------------------------------------------------
<S>                                           <C>               <C>
Operating Activities
Net Income                                    $  77,275         $ 79,822
- ------------------------------------------------------------------------
Adjustments to reconcile net income to net cash
 provided by operating activities:
   Other charges                                  7,520            6,528
   Cumulative effect of change in
    accounting principle                              -            1,755
   Depreciation and amortization                128,056          109,211
   Gain on sale of assets                        (2,000)         (14,551)
   Equity earnings from unconsolidated
    wireless interests                           (9,687)          (6,636)
   Other, net                                     7,304            2,876
   Changes in operating assets and liabilities, exclusive
    of impacts of dispositions and acquisitions:
     Increase in accounts receivable            (10,730)         (53,628)
     Increase in materials and supplies          (3,053)          (1,515)
     Decrease in prepayments and other
      current assets                              9,091            5,032
     Increase in deferred and other assets      (16,291)         (14,270)
     Increase in accounts payable                 5,312           62,133
     Increase in taxes accrued and other
      current liabilities                        17,295           18,709
     Increase in deferred income taxes            8,617           22,848
     Increase in deferred employee
      benefits obligation                        10,124            2,034
- ------------------------------------------------------------------------
 Total Adjustments                              151,558          140,526
- ------------------------------------------------------------------------
 Net Cash Provided by Operating Activities      228,833          220,348
- ------------------------------------------------------------------------

Investing Activities
Expenditures for property, plant
 and equipment                                 (585,542)        (165,796)
Deposit for capital projects                    (32,198)         (92,781)
Proceeds from sale of assets                     10,532           41,543
Other investing activities                       (7,900)            (264)
- ------------------------------------------------------------------------
 Net Cash Used in Investing Activities         (615,108)        (217,298)
- ------------------------------------------------------------------------
Financing Activities
Proceeds from issuance of long-term debt        423,547          131,181
Repayments of debt                               (5,827)         (12,698)
Dividends paid                                  (47,373)         (74,704)
Issuance of common stock                         30,731            4,094
Other financing activities                         (493)            (290)
- ------------------------------------------------------------------------
 Net Cash Provided by Financing Activities      400,585           47,583
- ------------------------------------------------------------------------
Net Increase in Cash and Cash Equivalents        14,310           50,633
Cash and Cash Equivalents at Beginning of Period 85,143           26,302
- ------------------------------------------------------------------------
Cash and Cash Equivalents at End of Period    $  99,453         $ 76,935
========================================================================
See accompanying Notes to Consolidated Financial Statements.
</TABLE>


<PAGE>
                    FRONTIER  CORPORATION
         Notes to Consolidated Financial Statements
                         (Unaudited)

Note 1: Consolidation

    The   consolidated  financial  statements  of   Frontier
Corporation  (the "Company" or "Frontier") included  herein,
are  unaudited  and  have been prepared in  accordance  with
generally   accepted  accounting  principles   for   interim
financial  reporting and Securities and Exchange  Commission
regulations.  Certain  information and footnote  disclosures
normally  included  in  financial  statements  prepared   in
accordance  with  generally accepted  accounting  principles
have  been  condensed or omitted pursuant to such rules  and
regulations.   In the opinion of management,  the  financial
statements   reflect  all  adjustments  (of  a  normal   and
recurring nature) which are necessary to present fairly  the
financial position, results of operations and cash flows for
the  interim periods.  These financial statements should  be
read in conjunction with the Annual Report of the Company on
Form  10-K  for  the year ended December 31,  1998  and  the
reports  on Form 8-K filed with the Securities and  Exchange
Commission as follows:

SEC Filing Date                    Matter
- -------------------------------------------------------------
7/21/99             Agreement to Sell Upstate Cellular Network
5/18/99             Consent and Amendment #1 to
                    Global Crossing Ltd. Merger Agreement
3/19/99             Merger Agreement with Global Crossing Ltd.
1/26/99             Dividend Restructuring
1/26/99             Filing  of Management's Discussion and Analysis,
                    Consolidated  Financial  Statements  and
                    Notes for 1998, 1997 and 1996
6/17/98             Pooling of Interests Merger with GlobalCenter Inc.


    The  consolidated  financial  information  includes  the
accounts  of  Frontier  Corporation and  its  majority-owned
subsidiaries   after   elimination   of   all    significant
intercompany transactions.  Investments in entities in which
the  Company  does  not  have  a  controlling  interest  are
accounted for using the equity method.

   Preparation  of  financial statements in conformity  with
generally accepted accounting principles requires management
to  make  estimates and assumptions that affect the reported
amounts   of  assets  and  liabilities  and  disclosure   of
contingent  assets  and  liabilities  at  the  date  of  the
financial  statements, and the reported amounts of  revenues
and  expenses  during the reporting period.  Actual  results
could differ from those estimates.

   It  is  the  Company's  policy to reclassify  prior  year
amounts to conform with current year presentation.


Note 2: Merger with Global Crossing

   On  March  17, 1999, the Company announced  a  definitive
merger  agreement  to  be acquired by Global  Crossing  Ltd.
("Global  Crossing"), the owner and operator of the  world's
first   independent   global   fiber-optic   network.    The
transaction is valued at $11.2  billion based on  the  March
16,  1999  closing  price  of Global  Crossing  shares.  The
combination  of  the  two companies  will  create  a  global
Internet Protocol-based fiber-optic network able to  provide
customers with global voice, web hosting, private line,  ATM
and Internet services.  Based on already announced networks,
the combination will have 71,000 route miles, over 1 million
fiber miles, and offer ultra-high bandwidth to 159 cities in
20 countries.

   During  May  1999,  Global  Crossing  contacted  Frontier
representatives  to  inform them of a  proposed  transaction
between  Global Crossing and U S WEST and, pursuant  to  the
merger  agreement, to request the Company's consent to  that
proposed  transaction.   After discussion  and  negotiation,
Global   Crossing  and  the  Company  agreed  to   specified
amendments to their merger agreement.  On May 16, 1999,  the
Company consented to Global Crossing entering into a  merger
agreement to effect the proposed transaction with U  S  West
and  both  parties  approved  an  amendment  to  the  Global
Crossing-Frontier merger agreement.

   On  June  13,  1999, the Company received an  unsolicited
acquisition proposal from Qwest Communications International
Inc.  ("Qwest") to acquire all of the common  stock  of  the
Company.   Qwest offered to pay $20 in cash  and  issue  not
less  than 1.181 shares of Qwest common stock for each share
of  Frontier  Common stock.  On June 17, 1999,  the  Company
issued  a  press  release  announcing  that  its  board   of
directors  had  reviewed the unsolicited  acquisition  offer
made  by  Qwest  and had determined to take no  action  with
respect to the offer at that time.

   On  June  23, 1999, Qwest submitted a revised acquisition
proposal  to the Company. Qwest offered a value of  $68  for
each   share  of  Frontier  common  stock,  such  $68  value
consisting  of $20 in cash and the balance in  Qwest  common
stock.   Qwest's  revised acquisition  proposal  included  a
"collar"  on the price of Qwest common stock between  $30.50
and  $43.50.   The  Frontier  board  of  directors  directed
Frontier's  management and advisors to meet with  Qwest  and
explore  the proposal and also to explore Global  Crossing's
position with respect to the revised Qwest proposal.

   On  July  18,  1999, in connection with the execution  by
Qwest and U S WEST of a merger agreement and the termination
of  the  proposed  Global Crossing-U S  WEST  merger,  Qwest
withdrew its proposal to acquire the Company.

   Under the terms of the Company's amended merger agreement
for   the  Global  Crossing-Frontier  transaction,  Frontier
shareholders  would  receive Global Crossing  common  shares
valued at $63 per Frontier share, as long as Global Crossing
shares  trade  within a range of $34.5625  to  $56.7813  per
share  (the "collar") during a measurement period  prior  to
closing.  Outside  the collar, Frontier  shareholders  would
receive  a  fixed number of Global Crossing  shares,  1.1095
shares at the top end of the collar and 1.8229 at the bottom
of  the  collar.  The initial value of the shares of  Global
Crossing common stock Frontier stockholders would receive in
the  merger may be more or less than the value based on  the
measurement period average  price  because
the trading  price  of  the  Global
Crossing common stock at closing may be higher or lower than
the  average trading price during the measurement period  or
because the average trading price may be outside the collar.
The  value of this consideration would be increased by a  7%
per  annum  interest factor if the Global  Crossing-Frontier
merger  does not close by December 31, 1999 and the  average
trading price of the Global Crossing common stock during the
measurement  period  was  not  greater  than  $56.7813.   In
connection  with  the Global Crossing-Frontier  transaction,
the  Company has also granted Global Crossing an  option  to
acquire  up  to 19.9% of its outstanding shares at  $63  per
share  as well as a break-up fee if the merger is terminated
for certain reasons.

   The  Global Crossing-Frontier transaction is expected  to
qualify   as  a  tax-free  reorganization  to  the  Frontier
shareholders  and is anticipated to be accounted  for  as  a
purchase.  Based on market prices as of March 16, 1999,  the
merged  company  will be approximately two-thirds  owned  by
current Global Crossing shareholders and one-third owned  by
current Frontier shareholders.

  This transaction is subject to approval by shareholders of
both companies, the Federal Communications Commission, state
and  other  regulatory authorities.  The Company  has  filed
regulatory  petitions in 26 states and has already  received
approvals  from  several states.  Regulatory  approvals  are
still pending from the Federal Communications Commission and
a  number of states.  The Company and Global Crossing expect
that  the transaction will be completed in the third quarter
of  1999,  but cannot predict with certainty the  timing  or
nature of regulatory approvals or shareholder action.

Note 3: Acquisitions

   On  February 27, 1998, the Company acquired GlobalCenter,
Inc.  ("Frontier  GlobalCenter, Inc." or "GlobalCenter"),  a
leading provider in digital distribution, Internet and  data
services headquartered in Sunnyvale, California.  Under  the
terms  of the merger agreement, the Company acquired all  of
the  outstanding shares of GlobalCenter.  The  total  shares
issued by the Company to effect the merger were 6.4 million.
At  the  time  of the merger, GlobalCenter had approximately
1.1  million  stock  options  and  warrants  outstanding  as
converted  into Frontier equivalents.  This transaction  was
accounted  for  using  the pooling of  interests  method  of
accounting  and,  accordingly,  historical  information  was
restated to reflect GlobalCenter.

Note 4: Divestitures

      During  the  first  six months of  1999,  the  Company
continued its efforts to sell non-core assets.  On April 15,
1999,  the  Company  sold  Frontier  Network  Systems  Corp.
("FNSC")  for $12.4 million, including cash of $7.9  million
and  a  long-term note for $4.5 million.  FNSC marketed  and
installed telecommunications systems and equipment.  No gain
or  loss  was recognized on this transaction.   On  June  3,
1999, the Company completed the sale of Illinois RSA No.  3,
a  cellular partnership, resulting in a pre-tax gain of $2.0
million.   On    May  28, 1999, the Company  signed  a  non-
binding  letter  of  intent to sell its  ConferTech  Systems
unit.   The transaction is expected to close in August 1999.
At  this time the Company has not yet quantified the gain or
loss on this transaction.

  In April 1998, the Company completed the sale of Minnesota
Southern  Cellular  Telephone Company  ("Minnesota  RSA  No.
10"), a wholly owned cellular partnership, and certain other
properties.  The  sale  of these properties  resulted  in  a
combined pre-tax gain of $14.6 million and an after-tax gain
of  $2.5  million.  The income tax effect on these gains  of
$12.1 million is primarily impacted by the sale of Minnesota
RSA No. 10 which resulted in nondeductible goodwill.

Note 5: Other Charges

   In the first quarter of 1999, the Company recorded a $7.5
million charge, or $.04 per diluted share, for costs related
to the merger with Global Crossing.  These charges primarily
included investment banker fees, legal fees and other direct
costs.   Additional  fees and costs are  being  incurred  in
connection with the merger.

   In the first quarter of 1998, the Company recorded a pre-
tax  charge  of $6.5 million associated with the acquisition
of  GlobalCenter,  which  included investment  banker  fees,
legal fees and other direct costs.

Note 6: Earnings Per Share

  The Company follows the provisions of Financial Accounting
Standards  Board  Statement ("FAS") No. 128,  "Earnings  Per
Share" ("EPS").  Basic EPS are based on the weighted average
number  of  shares  of common stock outstanding  during  the
period.   Diluted  EPS  are based on  the  weighted  average
number   of   shares  of  common  stock  and  common   stock
equivalents  (options,  warrants,  restricted   stock,   and
convertible  debentures)  outstanding  during  the   period,
computed in accordance with the treasury stock method.

  The following is a reconciliation of the denominator used
in the computation of diluted earnings per share:

                              3 Months Ended    6 Months Ended
                                  June  30,         June 30,
In thousands                     1999   1998     1999    1998
- ------------------------------------------------------------
Weighted Average Shares
 Outstanding - Basic          172,542 170,390 172,048 170,230
Stock Options and Warrants      6,190   3,200   4,722   2,716
Convertible Debentures            503     503     503     503
- -------------------------------------------------------------
Weighted Average Shares
 Outstanding - Diluted        179,235 174,093 177,273 173,449
=============================================================
Note 7:      Marketable Securities

   During  the second quarter of 1999, the Company purchased
certain   equity   securities  through  its   wholly   owned
subsidiary,  Frontier Internet Ventures, Inc.   The  Company
classifies  these  securities  as  available  for  sale   in
accordance  with the provisions of FAS No. 115,  "Accounting
for  Certain  Investments  in Debt and  Equity  Securities."
Investments  are  carried at fair  value,  based  on  quoted
market  prices and are recorded in the "Deferred  and  other
assets"   caption   of  the  Consolidated  Balance   Sheets.
Unrealized  holding  gains  and  losses  are  excluded  from
earnings  and reported, net of income taxes, as a  component
of shareholders' equity.  Realized gains and losses, if any,
will be recognized on the specific identification method and
reflected in income.  As of June 30, 1999, the fair value of
these  investments  was  $12.9 million,  with  a  cost  $7.9
million,  and  a  total  unrealized gain  of  $5.0  million.
Accordingly,  the  Company  has  recorded  a  $3.0   million
increase  to shareholder's equity at June 30, 1999,  net  of
taxes  of $2.0 million.  There were no unrealized losses  at
June 30, 1999.

Note 8:      Comprehensive Income

   The  Company  adopted  the provisions  of  FAS  No.  130,
"Reporting  Comprehensive Income" as  of  January  1,  1998.
This  statement  establishes  standards  for  reporting  and
display  of  comprehensive income and its components.   This
statement requires reporting, by major components and  as  a
single  total,  the change in net assets during  the  period
from nonshareholder sources.  Adoption of this standard  did
not  materially impact the Company's consolidated  financial
position,   results  of  operations  or  cash   flow.    The
reconciliation of net income to comprehensive net income  is
as follows:

                              3 Months Ended  6 Months Ended
                                 June 30,         June 30,
In thousands                     1999   1998    1999    1998
- -------------------------------------------------------------
Net income                    $37,373 $45,908 $77,275 $79,822
Unrealized gain on investment,
 net of taxes                   3,022       -   3,022      -
Foreign currency translation
 adjustment                      (429)    437    (328)    882
- -------------------------------------------------------------
  Total comprehensive income  $39,966 $46,345 $79,969 $80,704
=============================================================

  At June 30, 1999 and December 31, 1998, "Accumulated other
comprehensive  income,"  as reflected  in  the  Consolidated
Balance Sheets is comprised of the following:

                                     June 30,  December 31,
                                         1999          1998
- -----------------------------------------------------------
Foreign currency translation
 adjustment                           $  (916)      $  (588)
Unrealized gain on investment,
 net of taxes                           3,022             -
Minimum pension liability              (3,661)       (3,661)
- ------------------------------------------------------------
  Accumulated other comprehensive
   loss                               $(1,555)      $(4,249)
============================================================

Note 9:      Dividend Restructuring

  On January 25, 1999, the Company's Board of Directors
approved a dividend restructuring plan which reduced the
annualized common stock dividend from $0.89 to $0.20 per
share.  This change in dividend policy was effective
beginning with the payment of the common stock cash dividend
declared on March 22, 1999 and paid on May 3, 1999 and had
no effect on the common stock dividend paid February 1, 1999
to shareholders of record on January 15, 1999, nor on any
outstanding issues of the Company's preferred stock.  This
dividend restructuring was approved in order to place the
Company's dividend payments more in line with growth-
oriented integrated telecommunication services companies,
allowing the Company to invest more heavily in its growth
businesses.

Note 10:     Cash Flows

   For purposes of the Statements of Cash Flows, the Company
considers  all  highly liquid investments with  an  original
maturity of three months or less to be cash equivalents.

   Actual  interest paid was $48.3 million and $35.0 million
for   the   six  months  ended  June  30,  1999  and   1998,
respectively.  Income taxes paid totaled $42.6  million  and
$21.8  million for the six months ended June  30,  1999  and
1998,  respectively.   Interest costs  associated  with  the
construction  of  capital  assets, including  the  Optronics
network, are capitalized.  Total amounts capitalized for the
six  months  ended June 30, 1999 totaled $18.5  million,  as
compared to $8.9 million in 1998.

Note 11:  New Accounting Pronouncements

   Effective  January  1,  1999,  the  Company  adopted  the
American  Institute  of  Public  Accountants  Statement   of
Position  ("SOP") 98-1 "Accounting for the Costs of Computer
Software  Developed or Obtained for Internal Use".  Adoption
of  this  statement did not have a material  impact  on  the
financial  position or results of operations of the  Company
for the six months ended June 30, 1999.

   In  June  1999, the Financial Accounting Standards  Board
issued  FAS  No. 137, "Accounting for Derivative Instruments
and  Hedging Activities - Deferral of the Effective Date  of
FAS No. 133" which deferred FAS No. 133's effective date  to
fiscal  quarters  beginning  after  June  15,  2000.    This
statement  standardizes the accounting for  derivatives  and
hedging  activities  and requires that  all  derivatives  be
recognized in the statement of financial position as  either
assets  or liabilities at fair value.  Changes in  the  fair
value  of  derivatives that do not meet the hedge accounting
criteria are to be reported in earnings.  Adoption  of  this
standard  is not expected to have a material effect  on  the
Company's financial position, results of operations or  cash
flows.

Note 12:  Commitments and Contingencies

   In connection with the Company's capital program, certain
commitments have been made for the purchase of materials and
equipment.    Total  capital  expenditures  for   1999   are
currently  projected to be approximately $1.0  billion.   At
June  30,  1999 and December 31, 1998, respectively,  $138.1
million  and  $114.0 million of deposits for  the  Company's
Optronics  network are included in the "Deferred  and  other
assets" caption in the Consolidated Balance Sheets.

Note 13:  Subsequent Events

    Effective  July  1,  1999,  the  Company  redeemed   all
outstanding  shares  of  Cumulative Preferred  Stock,  4.60%
Series, 5.00% Series, 5.00% Second Series, and 5.65%  Series
pursuant to the original terms.

   On  July  20, 1999 the Company announced an agreement  to
sell  its  partnership  interest  in  the  Upstate  Cellular
Network  (UCN)  doing business under the  name  of  Frontier
Cellular  to  the  other  major UCN partner,  Bell  Atlantic
Mobile.   The transaction is subject to regulatory  approval
and is expected to close by the end of 1999.  The Company is
in  the  process  of quantifying the pre-tax  gain  on  this
transaction, which is expected to be material.

  Item 2 - Management's Discussion of Results of Operations
                and Analysis of Financial Condition

  For the Three and Six Months Ended June 30, 1999 and 1998

   The  matters discussed throughout this Form 10-Q,  except
for  historical financial results contained herein,  may  be
forward-looking  in nature or "forward-looking  statements."
Actual  results may differ materially from the forecasts  or
projections   presented.   Forward-looking  statements   are
identified   by  such  words  as  "expects,"  "anticipates,"
"believes," "intends," "plans" and variations of such  words
and  similar  expressions.  The Company  believes  that  its
primary  risk  factors  include, but  are  not  limited  to:
changes  in  the  overall economy, the nature  and  pace  of
technological change, the number and size of competitors  in
the  Company's market, completion of the pending merger with
Global  Crossing,  the  increasing  competitiveness  of  the
market  segments in which the Company competes,  changes  in
law  and  regulatory  policy and the  mix  of  products  and
services  offered  in the Company's markets.   Any  forward-
looking statements in this June 30, 1999 Form 10-Q should be
evaluated  in  light of these important risk  factors.   For
additional  disclosure regarding risk factors refer  to  the
Company's  Annual  Report on Form 10-K for  the  year  ended
December 31, 1998 and the reports on Form 8-K filed with the
Securities and Exchange Commission as follows:

SEC Filing Date                    Matter
- ------------------------------------------------------------
7/21/99             Agreement to Sell Upstate Cellular Network
5/18/99             Consent and Amendment #1 to Global Crossing
                    Ltd. Merger Agreement
3/19/99             Merger Agreement with Global Crossing Ltd.
1/26/99             Dividend Restructuring
1/26/99             Filing of Management's Discussion and Analysis,
                    Consolidated Financial Statements and Notes
                    for 1998, 1997 and 1996
6/17/98             Pooling of Interests Merger with GlobalCenter Inc.

DESCRIPTION OF BUSINESS

    Frontier   Corporation  (the  "Company"  or  "Frontier")
provides  integrated telecommunications  services  including
Internet,  IP  and data applications, long  distance,  local
telephone  and enhanced services to business, carrier,  web-
centric and targeted residential customers nationwide and in
certain international countries.

RESULTS OF OPERATIONS

   Consolidated revenues for the second quarter of 1999  and
on  a  year-to-date  basis  were  $646.8  million  and  $1.3
billion,  respectively,  representing  a  decrease  of  $1.6
million  or 0.2%, and an increase of $41.3 million  or  3.2%
over  the  three and six month periods ended June 30,  1998.
Consolidated  operating income was  $67.4  million  for  the
quarter  ended June 30, 1999 and $147.5 million for the  six
months ended June 30, 1999 as compared to $80.8 million  and
$148.8  million  for the three and six month  periods  ended
June  30,  1998.   Operating results were impacted  by  $7.5
million  and  $6.5 million in non-recurring charges  in  the
first  quarters  of 1999 and 1998, respectively.   Operating
results continue to be positively impacted by revenue growth
in  Data,  Carrier Services and Competitive  Local  Exchange
Carrier  ("CLEC") services, offset by a decrease in switched
long  distance  revenue due to price  erosion  and  customer
attrition.  Data revenue grew $27.3 million or 123.1% in the
second  quarter  and  $51.3 million or 126.9%  for  the  six
months  ended June 30, 1999 over the respective  prior  year
periods.   Data  growth is driven by a  242.1%  increase  in
frame relay, a 164.1% increase in dedicated internet, and  a
161.4%  increase  in  content  distribution  in  the  second
quarter  as  compared  to the prior year.  Carrier  Services
revenues grew $13.6 million or 8.8% over the second  quarter
of 1998 and $65.8 million or 22.4% over the first six months
of 1998, driven by a growing customer base as well as higher
levels of switched and dedicated traffic.  CLEC revenue grew
at 53.8% and 66.5% for the three months and six months ended
June 30, 1999.

   Normalized  for  other charges, costs and  expenses  grew
$11.9  million  or  2.1% for the second  quarter  and  $41.6
million or 3.7% for the six months ended June 30, 1999  over
the  same  prior  year periods, while consolidated  revenues
declined  by  0.2% and grew by 3.2% over the  same  periods.
Expenses   were  driven  primarily  by  higher  depreciation
expense  related  to  the Optronics  network, media distribution
centers, and other network related investments, as well as generally
higher cost of access in the Integrated Services segment due
to growth in Carrier Services volumes.

   In the first quarter of 1999, the Company recorded a $7.5
million charge, or $.04 per diluted share, for costs related
to the merger with Global Crossing.  These charges primarily
included investment banker fees, legal fees and other direct
costs.   Additional  fees and costs are  being  incurred  in
connection with the merger.

   During the first quarter of 1998, the Company recorded an
after-tax  charge  of $5.8 million (net  of  taxes  of  $0.7
million)  associated  with the acquisition  of  GlobalCenter
Inc.   ("GlobalCenter"),  a  leading  provider  of   digital
distribution,  Internet  and data services.   These  charges
included investment banker fees, legal fees and other direct
costs.

   Diluted earnings per share were $0.21 and $0.26  for  the
quarters  ended June 30, 1999 and 1998, and $0.43 and  $0.46
for   the   six  months  ended  June  30,  1999  and   1998,
respectively,  representing decreases  of  19.2%  and  6.5%,
respectively.    Excluding   nonrecurring   items,   diluted
earnings  per  share were $0.20 and $0.26 for  the  quarters
ended  June 30, 1999 and 1998, and $0.47 and $0.49  for  the
six  months  ended  June  30, 1999  and  1998,  representing
decreases of 23.1% and 4.1%, respectively.

Integrated Services

   Through  its Integrated Services segment, the Company  is
one  of  the nation's largest long distance companies.   The
Integrated   Services   segment   provides   domestic    and
international   voice,  data  products,  video   and   audio
communications,  digital  distribution  services,   Internet
service   and  other  communications  products  to  business
customers,  carrier  customers,  web-centric  customers  and
targeted  consumer markets.  Results for this  segment  also
include CLEC services, currently available in 32 states plus
Washington  D.C.,  providing Frontier the ability  to  offer
integrated  local  and  long distance telephone  service  to
approximately 70% of the U. S. business population.

   Integrated  Services  revenue of $464.7  million  in  the
second quarter of 1999 was the same as the year ago quarter.
Revenue  for the six months ended June 30, 1999  was  $955.3
million, representing an increase of $41.1 million  or  4.5%
over  the  six months ended June 30, 1998.  The year-to-date
increase  in  revenue is attributed to  a  growing  base  of
carrier  customers, as well as CLEC and data revenue growth.
The  year-to-date  revenue increase was  dampened  by  price
erosion and customer attrition in switched voice products as
a   result  of  increasing  competition  and  the  Company's
decision  to  no  longer  invest in consumer  long  distance
programs  outside its incumbent local exchange  territories.
Increased  bad debt also served to reduce revenue growth  in
the  second  quarter of 1999.  Second quarter 1999  switched
voice products, excluding CLEC, represent approximately  77%
of Integrated Services revenue, down from 87% one year ago.

   In  the  second  quarter of 1999, Data  Services  revenue
reached  $49.5 million, representing growth of $27.3 million
over  the same prior year period.  On a year-to-date  basis,
Data Services revenue grew $51.3 million, or 126.9% to $91.8
million.   The increase was driven by second quarter  growth
of  242.1%  in  frame relay, a 164.1% increase in  dedicated
Internet, and a 161.4% increase in content distribution.

   During  the quarter ended June 30, 1999, Carrier Services
revenue  grew  $13.6 million to $168.7 million, representing
an 8.8% increase over the same prior year period.  Increased
bad  debt  and  price  erosion reduced second  quarter  1999
revenue  growth.  On a year-to-date basis, Carrier  Services
grew  $65.8  million  or 22.4%, driven  by  a  strong  first
quarter  performance  resulting  from  an  increase  in  the
customer  base  as  well as higher levels  of  switched  and
dedicated traffic.

   Consumer  revenue declined 26.8% and 26.7%, respectively,
for  the  three month and six month periods ending June  30,
1999.   The decline is a function of the Company's  decision
to  no longer invest in these long distance programs outside
its incumbent local exchange territories.

  Frontier provides local service as a CLEC on both a resale
and  facility  basis  with a focus on  providing  integrated
local,  long  distance and data services.  As  of  June  30,
1999,  Frontier has expanded its coverage to 32 states  plus
Washington,  D. C. for local resale and to 22  top  business
markets    for   other   facilities-based   local   service,
cumulatively reaching 70% of the U. S. business  population.
Facilities-based service is being offered in cities that are
on  the  Company's  Optronics network,  which  will  provide
Frontier  with  the opportunity to expand its  offerings  of
combined  local  and long distance services into  additional
markets  and  continue  to leverage the  Optronics  network.
CLEC  revenue  growth was 53.8% for the second  quarter  and
66.5%  year  to date, while CLEC line growth was 39.7%  from
June 30, 1998.

   Cost  of  access  represented 64.0% of  total  Integrated
Services  revenue for the second quarter of 1999  and  64.8%
for  the same period in 1998 while year-to-date figures were
63.8%  and 64.3% for 1999 and 1998, respectively.  The lower
cost  of  access  percentages are primarily driven  by  more
effective traffic management and lower access costs,  offset
by   growth  in  generally  lower  margin  Carrier  Services
revenue.

   Delays  in  the completion of a small number of  segments
have  moved the expected completion date of all portions  of
the  original  Optronics network into the third  quarter  of
1999.   Cost  benefits are expected to be  realized  as  the
SONET  rings  are closed, traffic is migrated and  redundant
leased  costs  are  eliminated.   The  Company  has  further
enhanced  its Optronics network by expanding its  geographic
coverage.   Through  swap agreements with  Enron  and  WTCI,
Frontier  will add approximately 4,000 route  miles  in  the
western  United States.  These agreements will also  provide
the  Company with additional SONET rings, further  enhancing
the   reliability  and  performance  of  the  network.    In
addition,  in July 1998, Frontier entered into an  agreement
with  Williams Communications to construct an  extension  of
the network into the southeast United States.  In aggregate,
the  Company's  Optronics network  will  have  20,000  route
miles.  As of June 30, 1999, approximately 71% of the  total
Optronics network was carrying traffic.  Construction of the
Optronics  network  and continuing integration  efforts  are
expected  to reduce future network costs as well as  provide
new revenue opportunities for the Company.

   SG&A  expense  represented 26.6% of the total  Integrated
Services' revenue for the second quarter of 1999 as compared
to 25.6% for the same period in 1998.  Through June 30, 1999
and  1998,  SG&A as a percentage of revenue  was  25.2%  and
26.2%,  respectively.   The higher SG&A  percentage  in  the
second  quarter  is  a result of flat  revenue  and  a  $5.0
million increase in SG&A costs on a year-over-year basis due
to  rent and other expenses related to the Optronics network
and  media  distribution centers.  On a  year-to-date  basis
SG&A expense as a percentage of revenue was lower, driven by
a  first  quarter 1999 change in revenue mix away  from  the
consumer  business  to the Carrier Services  business.   The
consumer business historically has higher SG&A expense as  a
percentage of revenue than the Carrier Services business.

   Depreciation and amortization expense increased 40.4% and
32.4%  for the three month and six month periods ended  June
30,  1999 as compared to the same periods in 1998, primarily
due  to depreciation of the Optronics network, media distribution
centers and other network related investments.

   Operating  income  before other charges  for  the  second
quarter  of 1999 was $8.4 million, a decrease of 57.5%  over
the  second quarter of 1998.  For the six months ended  June
30,  1999  operating income before other  charges  increased
$1.7  million  or  4.8% over the first six months  of  1998.
Operating  income  before  other charges  as  a  percent  of
revenue  for the three months ended June 30, 1999, decreased
from  4.2%  in  the second quarter of 1998 to  1.8%  in  the
second  quarter  of  1999, and was flat  on  a  year-to-date
basis.  The second quarter 1999 decrease in operating margin
is  attributed  to lower levels of switched traffic  and  an
increase in bad debt.

Local Communications Services

  Local Communications Services includes the Company's local
telephone  operations, consisting of 34 telephone  operating
subsidiaries  in 13 states.  Also included in  this  segment
are the revenues and expenses of Frontier Communications  of
Rochester  Inc.,  a  competitive telecommunications  company
formed January 1, 1995 that provides an array of services on
a  retail  basis  in  the Rochester, New  York  marketplace.
Consequently,  the  Local  Communications  Services  segment
includes both wholesale and retail local service provided in
the Rochester, New York market.

   Revenues  for Local Communications Services  were  $182.1
million  in the three month period ended June 30,  1999,  an
increase of $7.0 million or 4.0% over the comparable  period
in  1998.   On  a year-to-date basis, revenues  were  $361.3
million, an increase of $13.1 million or 3.8% over the first
six  months of 1998.  Access lines increased 2.8% from  June
30,  1998.   Access  minutes of use increased  3.6%  in  the
current  quarter and 5.2% year to date over the  same  prior
year periods.  Revenue growth during 1999 is also influenced
by  an  increased  demand for Internet  services,  dedicated
services growth, and enhanced features.

  Costs and expenses in the second quarter of 1999 for Local
Communications Services were $114.9 million, an increase  of
$4.9  million or 4.5% over the second quarter of  1998.  The
increase  in costs and expenses is attributable  to  service
quality  improvements, increased depreciation  expense,  and
higher  customer service costs as a result  of  access  line
growth.

   Operating income was $67.2 million for the quarter  ended
June  30, 1999, representing an increase of $2.1 million  or
3.2%   over  the  comparable  quarter  in  the  prior  year.
Operating income on a year to date basis was $132.7 million,
representing  a 3.1% increase over the first six  months  of
1998. Operating margins for both the second quarter and  the
first  half of the year were down slightly due to  increased
depreciation resulting from higher capital expenditures  for
network infrastructure.

Corporate Operations and Other

     Corporate   Operations   is   comprised   of   expenses
traditionally  associated with a holding company,  including
executive   and  board  of  directors'  expenses,  corporate
finance   and   treasury,  investor   relations,   corporate
planning, legal services and business development. The Other
category  includes FNSC, which was sold on April  15,  1999.
FNSC  markets  and installs telecommunications  systems  and
equipment.   This segment also includes wireless  operations
of  Minnesota RSA No. 10, which was sold on April 30,  1998,
and Illinois RSA No. 3, which was sold on June 3, 1999.

   The  change in results for this segment is influenced  by
the  sale  of  certain  wireless operations  and  diminished
revenue from FNSC prior to its sale in April 1999.

Other Income Statement Items

  Interest Expense

   Interest expense for the three and six months ending June
30,  1999  was $14.6 million and $29.9 million, representing
increases  of  16.5% and 14.9% over the prior year  periods.
The  overall increase in interest expense is the  result  of
higher levels of debt outstanding and is partially offset by
increases in capitalized interest of $5.6 million  and  $9.6
million  respectively during the same periods. The  increase
in  capitalized  interest and levels of debt outstanding  is
primarily  attributable  to  the Company's  capital  program
driven  in  large  measure by the Optronics  network,  media
distribution centers and other network related investments.

  Equity Earnings from Unconsolidated Wireless Interests

   The  Company's minority interests in wireless  operations
and  its 50% interest in the Frontier Cellular joint venture
with  Bell Atlantic are reported using the equity method  of
accounting,  which  results in the  Company's  proportionate
share  of  earnings being reflected in a  single  line  item
below  operating  income.  On  July  20,  1999  the  Company
announced  an agreement to sell its partnership interest  in
Frontier Cellular.

  Equity earnings from the Company's unconsolidated wireless
interests,  including  Frontier Cellular,  the  50/50  joint
venture of Frontier and Bell Atlantic, currently managed  by
Frontier, were $5.4 million in the second quarter,  a  30.3%
increase  over  the $4.2 million reported  in  the  year-ago
quarter.  Customers increased to 422,000, or 21.6% more than
the  year-ago quarter.  The increase in equity  earnings  is
attributable to continued operating efficiencies as well  as
an increase in the number of customers.

  Income Taxes

  The effective income tax rate (normalized for nonrecurring
items)  was 39.5% for the quarters ended June 30,  1999  and
1998.

   Effective income tax rates, as reported, are impacted  by
certain nonrecurring items for the six months ended June 30,
1999  and 1998.  The effective rates were primarily impacted
by  transaction  costs associated with the  Global  Crossing
merger   in   the   first  quarter  of  1999,   GlobalCenter
transaction costs in the first quarter of 1998, and the sale
of  Minnesota RSA No. 10 in the second quarter of 1998.  The
tax  effect  of nonrecurring items in the second quarter  of
1999 was immaterial.

FINANCIAL CONDITION

Review of Cash Flow Activity

    Earnings   before  interest,  taxes,  depreciation   and
amortization  ("EBITDA")  is  a  common  measurement  of   a
company's  ability  to generate cash flow  from  operations.
EBITDA  should be used as a supplement to, and not in  place
of,  cash flow from operating activities.  On a quarter over
quarter  basis,  the  Company's EBITDA  before  nonrecurring
charges  was $132.9 million, or 1.4% lower than the year-ago
amount,  as a result of a decline in revenue.  On a year-to-
date  basis, EBITDA, before nonrecurring charges, was $283.1
million, or 7.0% higher than the year-ago amount, driven  by
strong first quarter 1999 revenue growth.

   Cash  provided from operations for the six  months  ended
June 30, 1999 increased $8.5 million to $228.8 million primarily
as  a result  of  stronger  cash basis operating  results  in  the
Integrated Services segment during 1999 as compared  to  the
same prior year period.

   Cash  used for investing activities increased  to  $615.1
million, or $397.8 million higher than the prior year driven
by  an  increase  in cash expenditures for capital  projects
principally due to the Optronics network, media distribution
centers and other network related investments.

   Cash  provided from financing activities increased $353.0
million  during the year as compared to the same  period  in
1998.  This net inflow of cash is primarily attributable  to
new  borrowings  on long-term debt driven by  the  Company's
capital  program  and proceeds from the issuance  of  common
stock resulting from the exercise of stock options.

Debt

   The Company's total outstanding debt balance was $1,658.5
million at June 30, 1999, an increase of $298.2 million from
December 31, 1998.  This higher debt level is driven by  the
Company's capital program, including the Optronics  network,
media  distribution  center build  outs  and  other  network
related investments,  as  well  as  the  temporary
restriction on dividend payments from Frontier
Telephone of Rochester.

   In April 1999, the Company established an additional $250
million  credit facility which bears interest at LIBOR  plus
50 basis points and matures the earlier of April 27, 2000 or
the date of occurrence of a change in control.

   On  June  2, 1999, in connection with the Company's merger with
Global  Crossing, Moody's and Standard and Poor's downgraded
Frontier's  long-term  senior unsecured  debt  ratings  from
"A3"/"A" to "Ba2"/"BB+", respectively.

Debt Ratio and Interest Coverage

   The  Company's debt ratio (total debt as a percentage  of
total  capitalization)  was  59.4%  at  June  30,  1999,  as
compared  with 57.2% at December 31, 1998.  Pre-tax interest
coverage, excluding nonrecurring charges, was 3.5 times  for
the  six  months ended June 30, 1999, as compared  with  4.8
times for the same period in 1998.

Capital Spending

   Through June 1999, gross capital expenditures amounted to
approximately $499.0 million, as compared to $219.1  million
in  the prior year.  The Company currently projects its 1999
capital expenditures to be approximately $1.0 billion.   The
Company anticipates financing its capital program through  a
combination of internally generated cash from operations  as
well as external financing.

Year 2000 Issues

  The  Company's Year 2000 ("Year 2K") project  is  intended
to  address potential processing errors in computer programs
that  use  two  digits  (rather than  four)  to  define  the
applicable year.  The Company's assessment of Year 2K issues
is  essentially  complete.  The Company  addresses  Year  2K
issues in four areas:

  State  of  Readiness.  Frontier  has  developed  plans  to
assess   and  remediate  key  internally-developed  computer
systems  so  they will be Year 2K compliant  in  advance  of
December  31,  1999 and has implemented  those  plans  to  a
significant  degree.   The  plans  encompass  all  operating
properties  as  well  as Frontier's corporate  headquarters.
These  include both information technology ("IT") and non-IT
compliance.   The  plans  cover  the  review,   and   either
modification or replacement where necessary, of portions  of
the   Company's  computer  applications,  telecommunications
networks, telecommunications equipment and building facility
equipment that directly connect the Company's business  with
customers,  suppliers and service providers.  Implementation
of  the  plan  began in 1996 and the Company  believes  that
substantially  all  of  its IT systems  are  now  compliant.
Final  remediation is expected to be substantially  complete
during the third quarter of 1999.

  The  Company  has given special attention to the  Year  2K
issues   involved  in  its  network,  switches  and  billing
systems, and will continue to dedicate significant resources
to  these  areas  as  a  priority.   The  Company  has  also
increased  its  resources in areas in which  assessment  and
remediation has not yet reached a point where management  is
satisfied  with  progress.  To date, Year  2K  readiness  is
progressing  at a pace that is acceptable to management  and
management  maintains continuous contact with  the  Year  2K
team to receive progress reports and to address issues.

  Costs.    The  Company has recently performed  a  detailed
update  of  Year 2K costs.  Costs to date that are  directly
attributable  to Year 2K issues are $29.0 million,  and  the
Company  now  anticipates spending an  additional  $12.0  to
$13.0  million during the remainder of 1999.  This  includes
costs directly related to Year 2K assessment and remediation
and  the  replacement of non-compliant systems and end  user
equipment,  including acceleration of  replacement  of  non-
compliant  systems and end user equipment  due  to  Year  2K
issues.  A substantial portion of the total amount has  been
used   for   third   party  assistance  in  assessment   and
remediation.   The source of these funds is  cash  generated
from  operations.  The Year 2K projects have not caused  the
Company  to  forego or defer, to any material degree,  other
critical  IT  projects.  To date, the  costs  of  addressing
potential  Year 2K problems are not considered  material  to
the Company's financial condition, results of operations  or
cash   flows   and   have  been  consistent   with   planned
expenditures,  and  future costs  are  not  expected  to  be
material in such respects.

  Risks.      The   Company   is   engaged   primarily    in
telecommunications lines of business, and therefore connects
directly  and  indirectly with thousands of other  carriers,
inside and outside the United States.  These connections are
made  through switching offices of the Company and the other
carriers.   The switching offices were manufactured  by  and
often   maintained  by  third  parties.   While  many  other
carriers  have  announced plans to engage  independently  in
Year 2K assessment and remediation for their networks, there
is  a risk that some carriers (particularly smaller carriers
and carriers outside the United States) will not address  or
resolve  Year  2K  issues, and that  telecommunications  may
therefore be affected.  If this were to occur, it is  likely
that  the Company would be affected only to the same  degree
as the other carriers in the telecommunications industry.  A
Year 2K failure in the network of smaller carriers would not
be likely to have a significant impact on telecommunications
generally,  or  on  the Company.  However, addressing  these
risks  to  the  telecommunications industry  in  general  is
outside the Company's control. The Company has initiated  an
inquiry with its primary vendors and continues to engage  in
discussions related to Year 2K compliance with many of them.
The Company has replaced some equipment and systems, and may
continue to do so in appropriate circumstances.

  Another  risk  to the Company arises with respect  to  the
timely  completion of Year 2K remediation for the processing
that   occurs  in  the  Company's  IT  and  non-IT  systems,
including  billing systems.  If the Company or  its  vendors
are  unable  to resolve such processing issues in  a  timely
manner,  it  could pose independent risks to  the  Company's
business  that could be material.  Accordingly, the  Company
has  devoted resources it believes to be adequate to resolve
all  significant  identified Year  2K  issues  in  a  timely
manner,   and  has  undertaken  plans  to  make  information
available  to customers and others related to  its  Year  2K
activities.  Since  the Company's own  Optronics  NetworkSM,
including  the  southeast  expansion,  is  expected  to   be
substantially deployed before December 31, 1999, the Company
anticipates  that  the  impact of  other  carriers  who  may
experience  business interruptions would  be  lessened,  and
such  interruptions  are  not  currently  expected  to  have
material adverse impacts on the Company.

  Contingency  Plans.    The Company  consistently  monitors
the  progress of its Year 2K program.  The Company currently
anticipates  that it will resolve its Year 2K issues  before
the  end  of  1999, with the exception of  any  issues  that
involve other carriers or suppliers and that are outside  of
its control.

   The  Company has begun to develop contingency plans in  a
number of areas.  Contingency planning does not mean that  a
facility or system will fail.  It may be merited because  of
many different factors, including the inherent importance of
a  system or facility, the response or lack of response from
a third party vendor, or the results of the Company's review
and evaluation.  The following areas have been identified as
areas  in  which  contingency planning  is  occurring:   SS7
Network  arrangements  internally and  with  third  parties,
power  availability, certain OSS and CARS operating systems,
network  operations  and call centers, EDI  and  credit  and
collections  systems,  lockbox  arrangements  and   internal
telephone  systems.   In  all  of  these  areas  it  is  the
potential impact of a failure rather than the probability of
a failure that has led the Company to identify it as an area
for  contingency  planning.  To date, the  Company  has  not
identified contingency planning requirements relative to its
Internet operations.  Plans will be developed and tested  as
necessary  and  closely monitored by the Company's  Internal
Audit   department  and  the  Year  2K  Executive   Steering
Committee.   Because  of its prior use of  multiple  billing
systems,  the  Company  has  experience  in  manual  billing
consolidation  for its carrier customers,  and  will  always
have  manual  processes  available  to  it.   The  costs  of
contingency planning are not expected to be material to  the
Company.

Dividends

   On  June  28,  1999, the Board of Directors declared  the
second quarter 1999 dividend of $0.05 cents per share on the
Company's   common  stock,  payable  August   2,   1999   to
shareholders of record on July 15, 1999.

    The   dividend  reflects  an  adjustment  to  Frontier's
annualized  common stock dividend, which  was  reduced  from
$0.89 per share to $0.20 per share by the Company's Board of
Directors on January 25, 1999.

New Accounting Pronouncements

   In  June  1999, the Financial Accounting Standards  Board
issued  FAS  No. 137, "Accounting for Derivative Instruments
and  Hedging Activities - Deferral of the Effective Date  of
FAS No. 133" which deferred FAS No. 133's effective date  to
fiscal  quarters  beginning  after  June  15,  2000.    This
statement  standardizes the accounting for  derivatives  and
hedging  activities  and requires that  all  derivatives  be
recognized in the statement of financial position as  either
assets  or liabilities at fair value.  Changes in  the  fair
value  of  derivatives that do not meet the hedge accounting
criteria are to be reported in earnings.  Adoption  of  this
standard  is not expected to have a material effect  on  the
Company's financial position, results of operations or  cash
flows.

OTHER ITEMS

Open Market Plan

   Open  Market Plan.  The Company began its fifth  year  of
operations under the Open Market Plan in January 1999.   The
Open Market Plan promotes telecommunications competition  in
the  Rochester,  New York marketplace by providing  for  (1)
interconnection   of  competing  local  networks   including
reciprocal compensation for terminating traffic,  (2)  equal
access  to  network databases, (3) access to local telephone
numbers,  (4) service provider telephone number portability,
and  (5)  certain wholesale discounts to resellers of  local
services.   Results since implementation of the Open  Market
Plan  are  considered  to  have been  constructive  for  the
Company as a whole.

   During the seven-year period of the Open Market Plan, the
Company  will not be regulated by rate-of-return regulation,
but   instead,  will  be  regulated  under  pure  price  cap
regulation.   Over this period, planned rate  reductions  of
$21.0  million  (the  "Rate  Stabilization  Plan")  will  be
implemented  for  Rochester area consumers, including  $16.5
million  of  which occurred through 1998, and an  additional
$1.5 million which commenced in January 1999.  Rates charged
for basic residential and business telephone service may not
be  increased during the seven-year period of the Plan.  The
Company  is  allowed  to raise prices  on  certain  enhanced
products such as Caller ID and call forwarding.

   The  New  York State Public Service Commission ("NYSPSC")
has  issued  a  Notice Inviting Comments  in  which  it  has
proposed  to make further changes in pricing under the  Open
Market Plan.  These pricing changes could reduce some prices
to competitors for network elements and other offerings, but
could  also  reduce  the  amount paid  by  the  Company  for
reciprocal compensation.  The issues being addressed by  the
NYSPSC  have  been  under  consideration  since  1995.   The
Company  cannot predict the ultimate impact  of  any  NYSPSC
action in this proceeding, although it is not expected to be
material.   The  NYSPSC  has also  issued  orders  on  other
regulatory  issues  over time, related to  service  quality,
staff  allocations,  provisioning and relations  with  other
carriers.

   Management  believes there continues  to  be  significant
market and business opportunities, as well as uncertainties,
associated with the Company's Open Market Plan.   There  can
be  no  assurance  that the changing regulatory  environment
will positively impact the Company.

Dividend Policy

  The Open Market Plan prohibits the payment of dividends by
the  Company's subsidiary, Frontier Telephone of  Rochester,
Inc.  ("FTR"),  to  Frontier if (i)  FTR's  senior  debt  is
downgraded  to  "BBB" by Standard & Poor's ("S&P"),  or  the
equivalent rating by other rating agencies, or is placed  on
credit watch for such a downgrade, or (ii) a service quality
penalty  is  imposed under the Open Market  Plan.   Dividend
payments to Frontier also require FTR's directors to certify
that such dividends will not impair FTR's service quality or
its ability to finance its short and long-term capital needs
on  reasonable  terms while maintaining an S&P  debt  rating
target of "A".

   In 1996, FTR failed to achieve the service quality levels
required  by the Open Market Plan.  FTR requested a  waiver,
but   was  denied.   The  NYSPSC's  ruling  resulted  in   a
restriction  on  the  flow of cash  dividends  from  FTR  to
Frontier.  On October 22, 1997, the NYSPSC adopted an  order
requiring  FTR  to  issue  refunds  of  approximately   $0.9
million,  or  $2.60  per customer.  Reserves  sufficient  to
cover  the  refund were established in 1996.  These  refunds
have been issued.

  On October 15, 1998, the NYSPSC approved a proposal by FTR
for revision of its service incentive plan that:

  - required  a rebate of $8.00 per customer to resolve  all
     service penalties for 1997 and 1998, such rebates  have
     been issued,
  - established   a   rebate/client   program   for   missed
     appointments, and
  - increased  the amounts at risk for the period  1999-2001
     should FTR fail to meet required service levels.

   In  1998,  the  Company completed its commitment  to  the
NYSPSC  to  increase capital expenditures to  a  minimum  of
$80.0 million and add employees in service-affecting areas.

   The temporary restriction of dividend payments from FTR to
the  Company  will  remain  in  place  until  the  NYSPSC  is
satisfied that FTR's service levels demonstrate that FTR  has
rectified the service deficiency.

   On  June 2, 1999, Moody's and S&P downgraded FTR's  senior
debt  ratings  from A1/AA- to Baa2/BBB, respectively.   These
ratings actions were a direct result of the announced  merger
between  the  Company and Global Crossing Ltd.  and  did  not
reflect   any   change   in   the  financial   condition   or
creditworthiness of FTR.  However, these actions triggered an
additional  dividend  restriction for FTR  until  either  the
NYPSC approves the payment of dividends or FTR's senior  debt
rating rises above BBB (for S&P, or the equivalent for  other
rating agencies).

Part II - Other Information

Item 1.      Legal Proceedings

   On  June  11,  1992,  a  group  of  corporate  plaintiffs
consisting of Cooper Industries, Inc.; Keystone Consolidated
Industries, Inc.; The Monarch Machine Tool Company;  Niagara
Mohawk  Corporation and Overhead Door Corporation  commenced
an  action  in  the  United States District  Court  for  the
Northern  District  of  New York seeking  contribution  from
fifteen corporate defendants, including Rotelcom Inc. (later
known   as   Frontier  Network  Systems  Corp.   (FNS)),   a
wholly-owned  subsidiary  of  the  registrant  held  through
intervening subsidiaries which was sold on April  15,  1999.
The plaintiffs seek environmental response costs incurred by
the plaintiffs pursuant to a consent decree entered into  by
plaintiffs  with  the  United States  EPA.   Two  additional
defendants  were  named in 1994.  In addition  to  FNS,  the
current  defendants are: Agway, Inc.; BMC Industries,  Inc.;
Borg-Warner  Corporation; Elf Atochem North  America,  Inc.;
Mack Trucks, Inc.; Motor Transportation Services, Inc.; Pall
Trinity   Micro   Corporation;  The   Raymond   Corporation;
Redding-Hunter, Inc.; Smith Corona Corporation;  Sola  Basic
Industries, Inc.; Wilson Sporting Goods Company; Phillip  A.
Rosen; Harvey M. Rosen; City of Cortland and New York  State
Electric & Gas Corporation.

    The  consent  decree  concerned  the  clean  up  of   an
environmental Superfund site located in Cortland, New  York.
It  is  alleged  that the corporate defendants  disposed  of
hazardous  substances at the site and are  therefore  liable
under the Comprehensive Environmental Response, Compensation
and  Liability Act.  On November 21, 1997, the EPA issued  a
Proposed  Remedial Action Plan" ("PRAP").  In the PRAP,  the
EPA  outlined  four  alternative plans for  remediating  the
site.   A  number  of parties, excluding the  Company,  have
reached  agreements  with the EPA  to  fund  certain  future
remedy  costs at the site consistent with the  PRAP.   There
has been no allocation of liability by the Court as among or
between the plaintiffs or defendants.

   Since  February  1994,  a significant  number  of  former
American Sharecom, Inc. ("ASI") shareholders have filed  and
amended  several  and various complaints in Hennepin  County
(Minnesota)  District Court.  Included among the  defendants
are ASI, its former principal shareholders, Steven Simon and
James  Weinert, and Frontier.  These suits allege  generally
that  Simon and Weinert, with and through ASI, embarked upon
a scheme to gain control of ASI and acquire all of its stock
through  common  law  fraud, breach of  fiduciary  duty  and
certain  violations  of the Minnesota  Business  Corporation
Act.   This  Act  requires shareholders in  a  closely  held
corporation  to  act fairly toward one another  and  refrain
from  misappropriation.  Another action by a few former  ASI
shareholders  who  dissented from the  cashout  merger  that
finally took ASI private was dismissed by the federal  court
in  Minnesota.  The claims against the Company maintain only
that  the Company controls the disposition of the restricted
Frontier  stock  which was issued to Simon  and  Weinert  in
connection  with the acquisition of ASI and that such  stock
should  be  held in trust for the benefit of the plaintiffs.
At  this  time  Simon  and  Weinert have  either  negotiated
settlements with the majority of former ASI shareholders who
had asserted claims or have succeeded in obtaining dismissal
of many of the lawsuits.

   Although it is too early to determine the outcome of  the
remaining   lawsuits,  the  Company,  ASI  and   the   other
defendants  each are contesting the claims.   In  connection
with  the  acquisition  of ASI by  the  Company,  Simon  and
Weinert agreed to indemnify and defend the Company for these
claims.

   On  June 25, 1999, the Company was served with a  summons
and  complaint in a lawsuit commenced in the New York  State
Supreme  Court,  Monroe  County by  a  Frontier  shareholder
alleging  that  the Company and its Board of  Directors  had
breached their fiduciary duties to shareholders by endorsing
a  definitive  merger  agreement with Global  Crossing  Ltd.
without  having adequately considered an alternative  merger
proposal  made  by Qwest Communications International,  Inc.
The  lawsuit  has  been framed as a purported  class  action
brought  on  behalf of all shareholders of the  Company  and
seeks  unstated  compensatory damages and injunctive  relief
compelling  the  Company's board to evaluate  the  Company's
suitability  as a merger partner, to enhance  the  Company's
value  as a merger candidate, to engage in discussions  with
Qwest   about   possible  business  combinations,   to   act
independently   to   protect  the  interests   of   Frontier
shareholders,  and to ensure that no conflicts  of  interest
exist  which would prevent maximizing value to shareholders.
On  July 16, 1999, the Company was served with a summons and
complaint  in  a second lawsuit commenced in Rochester,  New
York   on   behalf  of  another  named  shareholder  seeking
essentially  identical  relief.  The  Company  believes  the
claims asserted in both lawsuits are without merit and  will
be defending itself vigorously.

   On  July 12, 1999, the Company was served with a  summons
and  complaint  in  a lawsuit commenced in  New  York  State
Supreme  Court,  New  York County by a Frontier  shareholder
alleging  that  the  Company and its  board  breached  their
fiduciary  duties by failing to obtain the highest  possible
acquisition  price for the Company in the definitive  merger
agreement with Global Crossing.  The action has been  framed
as  a  purported class action and seeks compensatory damages
and  injunctive relief.  The claims against the Company  are
asserted  in the same action as similar but separate  claims
against US West, Inc.  Frontier believes the claims asserted
against it are meritless.

   The  Open  Market  Plan discussion  in  the  Management's
Discussion  and Analysis of Financial Condition and  Results
of   Operations,  Part  I,  Item  2  of  this  document   is
incorporated by reference.

Item 4.  Submission of Matters to a Vote of Security Holders

   The Annual Meeting of Shareholders was held on April  29,
1999  for  the purpose of electing a board of directors  and
approving the ratification of auditors.

   All  of management's nominees for directors as listed  in
the proxy statement were elected with the following vote:

                             Number of Shares/Votes
Name                        For        Authority  Withheld
Patricia C. Barron       147,045,823       1,070,424
Raul E. Cesan            147,129,464         986,783
Joseph P. Clayton        147,103,758       1,012,489
Brenda E. Edgerton       147,070,605       1,045,642
Jairo A. Estrada         147,071,648       1,044,599
Michael E. Faherty       147,086,804       1,029,443
Alan C. Hasselwander     147,020,471       1,095,776
Eric Hippeau             147,072,138       1,044,109
Robert Holland, Jr.      147,059,024       1,057,223
Douglas H. McCorkindale  147,127,551         988,696
James F. McDonald        147,090,361       1,025,886
Leo J. Thomas            147,114,818       1,001,429

   The  ratification of PricewaterhouseCoopers LLP as Public
Accountant  for the fiscal year 1999 was approved  with  the
following vote:

For                      147,085,666
Against                      559,006
Abstain                      471,575

Item 5.  Other Information

   On October 9, 1997, the FCC ordered carriers that receive
"dial  around"  calls  from payphones  (certain  calls  sent
without  coins,  such  as 800 or other calls,  with  special
access  codes) to compensate payphone owners at the rate  of
28.4 cents per completed call.  The Court of Appeals for the
District  of Columbia Circuit found that the FCC had  failed
to justify this rate and sent the matter back to the FCC for
further consideration.  On February 4, 1999, the FCC set the
"dial  around"  compensation rate at 24 cents per  completed
call  retroactive to October 7, 1997.  That decision is  now
up  for  review in the United States District Court for  the
District of Columbia Circuit.  The Company has intervened in
that proceeding.  Briefing of the issues is underway and the
Court is scheduled to hear oral argument in early November.

   The  FCC has yet to determine how to address the payphone
compensation obligation for the period from November 7, 1996
through October 6, 1997.

  On July 15, 1998, an administrative complaint was filed by
Bell Atlantic Corp. seeking $3.2 million in compensation for
use  of its payphones since October 7, 1997.  On August  17,
1998,  an  administrative complaint was filed  by  Ameritech
Corp. with the FCC seeking $1.9 million in compensation  for
the  use  of  its  payphones  since  October  7,  1997.   On
September  1,  1998,  SBC  Communications  Inc.   filed   an
administrative complaint with the FCC seeking  $3.3  million
in  compensation for the use of its payphones since  October
7, 1997.  On November 24, 1998, U S West Communication Group
filed  an  administrative complaint seeking $2.5 million  in
compensation for the use of its payphones since  October  7,
1997.   On April 30, 1999, the Company and U S West executed
a  settlement and on May 5, 1999, the parties filed a  joint
motion  to dismiss U S West's complaint.  The filing of  the
complaints  has  had  no effect upon  the  position  of  the
Company  with respect to payphone compensation.  The Company
cannot  predict  the ultimate outcome of any  of  these  FCC
proceedings.

Item 6.   Exhibits and Reports on Form 8-K

(a)  See Index to Exhibits for exhibits required by Item 601
     of Regulation S-K.

   The Registrant hereby agrees to furnish the Commission  a
copy of each of the Indentures or other instruments defining
the  rights  of  security  holders  of  the  long-term  debt
securities of the Registrant and any of its subsidiaries for
which  consolidated  or unconsolidated financial  statements
are required to be filed.

(b)  Reports on Form 8-K.

   The  following reports on Form 8-K were filed  during  or
subsequent to the quarter ended June 30, 1999.

     SEC Filing Date    Item  Nos.  Financial Statements
     ---------------------------------------------------
     5/18/99             5,7            None
     7/21/99             5              None

<PAGE>

                          SIGNATURE



  Pursuant to the requirements of the Securities Exchange
Act of 1934, the registrant has duly caused this report to
be signed on its behalf by the undersigned thereunto duly
authorized.



                             FRONTIER CORPORATION
                             --------------------------------
                             (Registrant)






Dated: August 3, 1999        /s/ Harold M. Winfield
                         By: ---------------------------------
                             Harold M. Winfield
                             Vice President and
                             Corporate Controller
                             (principal accounting officer)


<PAGE>

                    FRONTIER CORPORATION
                      INDEX TO EXHIBITS



Exhibit
Number     Description                                    Reference
- ---------------------------------------------------------------------------
3.1     Restated Certificate of Incorporation     Incorporated by reference to
        dated January 24, 1995                    Exhibit 3.1 to Form 10-K
                                                  for the year ended
                                                  December 31, 1995

3.2     Amendment to Restated Certificate         Incorporated by reference to
        of Incorporation dated April 9, 1995      Exhibit 3.2 to Form 10-K
                                                  for the year ended
                                                  December 31, 1995

3.3     By-laws                                   Incorporated by reference to
                                                  Exhibit 3.3 to Form 10-K
                                                  for the year ended
                                                  December 31, 1998

4.1     Indenture between the Company and         Incorporated by reference to
        Manufacturers Hanover Trust Company,      Exhibit 4.12 to Form 10-K
        Trustee, dated September 1, 1986          for the year ended
                                                  December 31, 1986

4.2     First Supplemental Indenture to said      Incorporated by reference to
        Indenture with Manufacturers Hanover      Exhibit 4(b) to Registration
        Trust Company, Trustee, dated             Statement 33-32035
        December 1, 1989

4.3     10.46% Non-Negotiable Convertible         Incorporated by reference to
        Debenture due October 27, 2008 from       Exhibit 4.14 to Form 10-K
        the Company to The Walters Trust          for the year ended
                                                  December 31, 1988

4.4     9% Debenture due August 15, 2021          Incorporated by reference to
                                                  Exhibit 4.16 to Form 10-K
                                                  for the year ended
                                                  December 31, 1991

4.5     Indenture between the Company and         Incorporated by reference to
        Chase Manhattan Bank, N.A., Trustee,      Exhibit 4.1 to Form 8-K
        dated May 21, 1997, $300M 7.25%           dated May 23, 1997.
        Notes due May 15, 2004.


4.6     Supplemental Indenture between the        Incorporated by reference to
        Company and Chase Manhattan Bank,         Exhibit 4.7 to Form 10-K
        N.A. as Trustee, dated December 8, 1997,  for the year ended
        $100M 6.25% Notes due December 15,        December 31, 1997.
        2009.

4.7     $200 Million Credit Agreement             Incorporated by reference to
        dated November 10, 1998 with              Exhibit 4.8 to Form 10-K
        Chase Manhattan Bank, Fleet Bank,         for the year ended
        Marine Midland Bank                       December 31, 1998

4.8     $275 Million Credit Agreement             Incorporated by reference to
        dated November 10, 1998 with              Exhibit 4.9 to Form 10-K
        Chase Manhattan Bank, Fleet Bank,         for the year ended
        Marine Midland Bank                       December 31, 1998

4.9     $250 Million Credit Agreement             Incorporated by reference to
        dated April 29, 1999 with Morgan          Exhibit 4.9 to Form 10-Q
        Stanley, First National Bank of Chicago,  for the quarter ended
        and Fleet National Bank, et al.           March 31, 1999

10.1    Amendment No. 3 to Supplemental           Filed herewith
        Management Pension Plan

10.2    Amendment No. 1 to Supplemental           Filed herewith
        Retirement Savings Plan

10.3    Amendment No. 5 to Management             Filed herewith
        Stock Incentive Plan

10.4    Amendment No. 3 to Employees'             Filed herewith
        Stock Option Plan

10.5    Amendment to management contract          Filed herewith
        with Mr. Barrett

10.6    Amendment to management contract          Filed herewith
        with Mr. Carey

10.7    Amendment to management contract          Filed herewith
        with Mr. Carr

10.8    Amendment to management contract          Filed herewith
        with Mr. Clayton

10.9    Amendment to management contract          Filed herewith
        with Mr. Detampel

10.10   Amendment to management contract          Filed herewith
        with Mr. Dole

10.11   Amendment to management contract          Filed herewith
        with Mr. Huff

10.12   Amendment to management contract          Filed herewith
        with Mr. McCue

10.13   Amendment to management contract          Filed herewith
        with Ms. Reeves-Collins

10.14   Change of Control Severance Plan          Filed herewith
        For Salary Band Levels 25 and Above

10.15   Letter to Mr. Clayton regarding deferral of    Filed herewith
        Restricted Stock Benefits

11      Statement re:  Computation of Diluted     Filed herewith
        Earnings Per Common Share (Unaudited)

27      Financial Data Schedule                   Filed herewith


22714
                      FRONTIER CORPORATION

              SUPPLEMENTAL MANAGEMENT PENSION PLAN

                         Amendment No. 3


     Pursuant to Article Six, the Plan is amended, effective

March 16, 1999, as follows:

     1.   Section 6.1 is amended by deleting the current

provision in its entirety and substituting in its place the

following:


          6.1  While the Company intends to maintain this Plan in
     conjunction with the Funded Plan for as long as necessary,
     the Board reserves the right to amend or terminate it at any
     time for whatever reasons it may deem appropriate prior to a
     Change in Control.  Upon a Change in Control, this Plan may
     not be amended or terminated to the extent that any such
     amendment or termination would reduce the amount payable to
     a Participant hereunder or otherwise prejudice a
     Participant's rights or benefits under the Plan.

          IN WITNESS WHEREOF, the Company has caused its duly

authorized officer to execute this amendment on its behalf this

30th day of June, 1999.


                              FRONTIER CORPORATION

                              By:  Josephine S. Trubek
                              Title:  Corporate Secretary


22713
                           Exhibit 10.2

                      FRONTIER CORPORATION

              SUPPLEMENTAL RETIREMENT SAVINGS PLAN

                         Amendment No. 1


     Pursuant to Article Eight, the Plan is amended, effective

March 16, 1999, as follows:

     1.   Article One is amended by adding the following new

Section 1.2 immediately after current Section 1.1 and by

renumbering the remaining sections accordingly:

     1.2  "Change in Control" means any of the following:

          (a)  The consummation of a consolidation or merger of
     the Company in which the Company is not the continuing or
     surviving corporation or pursuant to which the shares of the
     Company's common, voting equity are to be converted into
     cash, securities or other property, other than any such
     merger or consolidation in which the shareholder's of the
     Company prior to such merger or consolidation own at least
     65% of the voting equity of the successor entity following
     such merger or consolidation.  For the purposes of this
     Agreement, a consolidation or merger with a corporation
     which was a wholly-owned direct or indirect subsidiary of
     the Company immediately before the consolidation or merger
     is not a Change in Control; or

          (b)  The sale, lease, exchange or other transfer (in
     one transaction or a series of related transactions) of all
     or substantially all of the Company's assets, other than a
     sale or exchange in which the acquiring party is an
     affiliate of the Company in which at least 65% of the shares
     are held (directly or indirectly) by the shareholders of the
     Company; or

          (c)  The approval by the Company's shareholders of any
     plan or proposal for the liquidation or dissolution of the
     Company; or

          (d)  Any person, as that term is used in Section 13(d)
     and 14(d) of the Exchange Act (other than the Company, any
     trustee or other fiduciary holding securities of the Company
     under an employee benefit plan of the Company, a direct or
     indirect wholly-owned subsidiary of the Company or any other
     company owned, directly or indirectly, by the shareholders
     of the Company in substantially the same proportions as
     their ownership of the Company'' common, voting equity), is
     or becomes the beneficial owner (within the meaning of Rule
     13d-3 under the Exchange Act), directly or indirectly, of
     30% or more of the Company's (or a successor's) then
     outstanding common, voting equity; or

          (e)  During any period of two consecutive years,
     individuals who at the beginning of such period constitute
     the Board, including for this purpose any new director
     (other than a director designated by a person who has
     entered into an agreement with the Company to effect, or who
     has threatened to effect, a transaction described in this
     Section 11.2) whose election or nomination for election by
     the Company's shareholders was approved by a vote of at
     least two-thirds of the directors then still in office who
     were directors at the beginning of the period or whose
     election or nomination for election was previously so
     approved (the "Incumbent Board"), cease for any reason to
     constitute a majority of the Board.

     2.   Section 8.1 is amended by deleting the current

provision in its entirety and substituting in its place the

following:

          Company's Authority.  While it intends to maintain this
     Plan in conjunction with ERSP for as long as necessary to
     achieve its purposes, the Company reserves the right to
     amend or to terminate the Plan at any time for whatever
     reason it may deem appropriate prior to a Change in Control.
     Upon a Change in Control, this Plan may not be amended or
     terminated to the extent that any such amendment or
     termination would reduce the amount payable to a Participant
     hereunder or otherwise prejudice a Participant's rights or
     benefits under the Plan.  No Plan amendment shall accelerate
     the payment of amounts previously deferred or provide for
     additional benefits other than in the event of a Change in
     Control.


     IN WITNESS WHEREOF, the Company has caused its duly

authorized officer to execute this amendment on its behalf this

30th day of June, 1999.


                              FRONTIER CORPORATION

                              By:  Josephine S. Trubek
                              Title:  Corporate Secretary


22833
                          Exhibit 10-3

                      FRONTIER CORPORATION

                 MANAGEMENT STOCK INCENTIVE PLAN

                         AMENDMENT NO. 5


     Pursuant to Section 14, Section 9(a) is amended, effective
March 16, 1999, by adding to the end thereof the following new
paragraph:

Notwithstanding the foregoing, an unvested option shall become
fully vested upon a participant's involuntary termination of
employment without cause on or after March 16, 1999 but prior to
the earlier of (1) the date on which the Company's acquisition by
Global Crossing is effective or (2) the date on which the Company
announces that the acquisition by Global Crossing is no longer
being actively pursued.  Any such option plus any previously
vested option held by such participant may be exercised prior to
the earlier of the expiration date of the option or the
expiration of 90 days from the date of termination.  For this
purpose, "cause" shall have such meaning as the Committee shall
determine, which meaning shall be applied uniformly and
consistently with respect to all participants similarly situated.

     IN WITNESS WHEREOF, the Company has caused its duly
authorized officer to execute this amendment on its behalf this
1st day of May 1999.

                         FRONTIER CORPORATION


                         By:  /s/Josephine S. Trubek
                              ---------------------------------
                              Josephine S. Trubek
                              Corporate Secretary






                          Exhibit 10.4

                      FRONTIER CORPORATION

                  EMPLOYEES' STOCK OPTION PLAN

                         AMENDMENT NO. 3


     Pursuant to Section 12, Section 7 is amended, effective
March 16, 1999, by adding to the end of the first paragraph
thereof the following new paragraph:

Notwithstanding the foregoing, an unvested option shall become
fully vested upon a participant's involuntary termination of
employment without cause on or after March 16, 1999 but prior to
the earlier of (1) the date on which the Company's acquisition by
Global Crossing is effective or (2) the date on which the Company
announces that the acquisition by Global Crossing is no longer
being actively pursued.  Any such option plus any previously
vested option held by such participant may be exercised prior to
the earlier of the expiration date of the option or the
expiration of 90 days from the date of termination.  For this
purpose, "cause" shall have such meaning as the Committee shall
determine, which meaning shall be applied uniformly and
consistently with respect to all participants similarly situated.

     IN WITNESS WHEREOF, the Company has caused its duly
authorized officer to execute this amendment on its behalf this
1st day of May 1999.

                         FRONTIER CORPORATION


                         By:  /s/Josephine S. Trubek
                              ---------------------------------
                              Josephine S. Trubek
                              Corporate Secretary





23031





                              May 1, 1999


Mr. Robert L. Barrett
14 Stonebridge Lane
Pittsford, New York  14534

Dear Mr. Barrett:

     As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated March 25, 1996 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)  On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.

     3.   The third sentence of Section 6.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 6.2 is amended to read as follows:

          6.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          6.2.1  All Accrued Compensation;

          6.2.2  A Pro Rata Bonus (as defined in Section 6.1.5
          above); and

          6.2.3  Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $25,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 6.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 6.4 is amended to
          read as follows:

          6.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 6.4.3 is amended to read
          as follows:

          6.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $25,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 6.4.3 shall
          be amended to read as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 8:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 11.1.3 is amended to read as follows:

          11.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 11.1.3 shall be of no force and
          effect; or

     10.  Section 11.4.7 is renumbered to be Section 11.4.8 and
          the following Section 11.4.7 is added:

          11.4.7  Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     11.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              ---------------------------
                              Joseph P. Clayton


Agreed and Accepted:



/s/Robert L. Barrett
- --------------------------
Robert L. Barrett





23032


                                   May 1, 1999


Mr. David R. Carey
27 Sunrise Hill
Pittsford, New York  14534


Dear Mr. Carey:

          As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated October 7, 1997 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.

     3.   The third sentence of Section 7.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 7.2 is amended to read as follows:

          7.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          7.2.1  All Accrued Compensation;

          7.2.2  A Pro Rata Bonus (as defined in Section 7.1.5
          above); and

          7.2.3   Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $15,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 7.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 7.4 is amended to
          read as follows:

          7.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 7.4.3 is amended to read
          as follows:

          7.4.3  Severance equal to two times the sum of (i) the
          annual base compensation you would have received for
          the entire fiscal year in which the Termination Date
          occurs plus (ii) the Bonus Amount plus (iii) $15,000,
          or if greater, the 1999 cash equivalent of the annual
          value of the perquisites provided to you under the
          Company's Executive Compensation Program plus (iv) the
          Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination (v) the Company allocation which would have
          been made to your account in the Company's Supplemental
          Retirement Savings Plan (or any successor thereto) for
          the year of your termination.  The foregoing severance
          shall be in lieu of any other amount of severance
          relating to salary or bonus continuation to be received
          by you upon termination of your employment under any
          severance plan, policy or arrangement of the Company.

     7.   The paragraph immediately following Section 7.4.3 shall
          be amended to read
          as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 9:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 12.1.3 is amended to read as follows:

          12.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 12.1.3 shall be of no force and
          effect; or

     10.  Section 12.1.4 is amended to read as follows:

          12.1.4  You have been convicted of a felony or a crime
          involving moral turpitude; provided, however, that on
          and after a Change of Control this Section 12.1.4 shall
          be limited to apply only to the conviction of a felony;
          or

     11.  Section 12.4.7 is renumbered to be Section 12.4.8 and
          the following Section
          12.4.7 is added:

          12.4.7  Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     12.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              --------------------------
                              Joseph P. Clayton



Agreed and Accepted:



/s/David R. Carey
- ------------------------
David R. Carey





23033


                                        May 1, 1999


Mr. Jeremiah T. Carr
3455 Elmwood Avenue
Rochester, New York  14610

Dear Mr. Carr:

          As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated August 16, 1995 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.  In such case, the Company also will not
          assert that any activity covered under Section 4
          constitutes inimical conduct under any circumstances.

     3.   The third sentence of Section 6.1.5 is amended to read
     as follows:

               The term "Bonus Amount" means the greatest of: (i)
          your annual cash performance bonus under the Company's
          bonus program at the premier target level for the year
          in which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 6.2 is amended to read as follows:

               6.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          6.2.1  All Accrued Compensation;

          6.2.2  A Pro Rata Bonus (as defined in Section 6.1.5
          above); and

               6.2.3  Severance ("Severance") equal to twice the
          sum of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $25,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Lastly, the Company shall credit you with an additional
          24 months of service and age for the purposes of
          determining the level of your retirement benefits under
          any qualified or unqualified defined benefit pension,
          supplemental or excess retirement plan maintained by
          the Company for the year of your termination in which
          you are a covered employee (the "Retirement Plans").

          Except as otherwise provided in this Section 6.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
     Section 6.4 is amended to
          read as follows:

               6.4  Termination by Company Following Change of
          Control or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 6.4.3 is amended to read
     as follows:

          6.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $25,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 6.4.5 shall
     be amended to read
          as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 8:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 11.1.3 is amended to read as follows:

          11.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 11.1.3 shall be of no force and
          effect; or

     10.  Section 11.4.7 is renumbered to be Section 11.4.8 and
     the following Section 11.4.7 is added:

          11.4.7 Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     11.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

           "Retirement" shall, for each affected plan or
          agreement involving you and the Company, have the
          meaning established in the applicable plan or
          agreement, or in the absence of a definition or
          consistently applied interpretation, shall mean a
          voluntary or involuntary termination of your employment
          after age 65, or at age 65 or earlier, with age and
          service credits that would, in such case, entitle you
          to receive a normal or early retirement service pension
          under the Frontier Management Pension Plan (or any
          successor or substitute plan or plans of Frontier
          instituted prior to March 16, 1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              ------------------------------
                              Joseph P. Clayton


Agreed and Accepted:


/s/Jeremiah T. Carr
- -------------------------
Jeremiah T. Carr




23034


                              May 1, 1999


Mr. Joseph P. Clayton
20 Windham Hill
Mendon, New York  14506


Dear Mr. Clayton:

          As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated January 1, 1998 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.

     3.   The third sentence of Section 7.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 7.2 is amended to read as follows:

          7.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          7.2.1  All Accrued Compensation;

          7.2.2  A Pro Rata Bonus (as defined in Section 7.1.5
          above); and

          7.2.3  Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $40,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 7.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 7.4 is amended to read as follows:

          7.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 7.4.3 is amended to read
          as follows:

          7.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $40,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 7.4.3 shall
          be amended to read as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 9:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 12.1.3 is amended to read as follows:

          12.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 12.1.3 shall be of no force and
          effect; or

     10.  Section 12.1.4 is amended to read as follows:

          12.1.4  You have been convicted of a felony or a crime
          involving moral turpitude; provided, however, that on
          and after a Change of Control this Section 12.1.4 shall
          be limited to apply only to the conviction of a felony;
          or

     11.  Section 12.4.7 is renumbered to be Section 12.4.8 and
          the following Section 12.4.7 is added:

          12.4.7  Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     12.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Douglas H. McCorkindale
                              --------------------------------
                              Douglas H. McCorkindale



Agreed and Accepted:



/s/Joseph P. Clayton
- ---------------------------
Joseph P. Clayton






23035

                              May 1, 1999


Mr. Donald F. Detampel, Jr.
6969 West 90th Avenue - Apartment 937
Westminster, Colorado  80021


Dear Mr. Detampel:

          As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated December 1, 1998 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.

     3.   The third sentence of Section 7.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 7.2 is amended to read as follows:

          7.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          7.2.1  All Accrued Compensation;

          7.2.2  A Pro Rata Bonus (as defined in Section 7.1.5
          above); and

          7.2.3  Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $15,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination for the year of your termination plus (v)
          the Company allocation which would have been made to
          your account in the Company's Supplemental Retirement
          Savings Plan (or any successor thereto) for the year of
          your termination.  The foregoing shall be in lieu of
          any other amount of severance relating to salary or
          bonus continuation to be received by you upon
          termination of your employment under any severance
          plan, policy or arrangement of the Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 7.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 7.4 is amended to read as follows:

          7.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 7.4.3 is amended to read
          as follows:

          7.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $15,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination for the year of your termination plus (v)
          the Company allocation which would have been made to
          your account in the Company's Supplemental Retirement
          Savings Plan (or any successor thereto) for the year of
          your termination.  The foregoing severance shall be in
          lieu of any other amount of severance relating to
          salary or bonus continuation to be received by you upon
          termination of your employment under any severance
          plan, policy or arrangement of the Company.

     7.   The paragraph immediately following Section 7.4.3 shall
          be amended to read as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 9:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 12.1.3 is amended to read as follows:

          12.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 12.1.3 shall be of no force and
          effect; or

     10.  Section 12.1.4 is amended to read as follows:

          12.1.4  You have been convicted of a felony or a crime
          involving moral turpitude; provided, however, that on
          and after a Change of Control this Section 12.1.4 shall
          be limited to apply only to the conviction of a felony;

     11.  Section 12.4.7 is renumbered to be Section 12.4.8 and
          the following Section 12.4.7 is added:

          12.4.7  Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     12.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              ------------------------------
                              Joseph P. Clayton



Agreed and Accepted:



/s/Donald F. Detampel, Jr.
- -------------------------------
Donald F. Detampel, Jr.





23036


                              May 1, 1999


Mr. James G. Dole
23 Brunson Way
Penfield, New York   14526


Dear Mr. Dole:

          As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated August 16, 1995 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   A new section, Section 4.2.3(c), is added and shall
          read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.  In such case, the Company also will not
          assert that any activity covered under Section 4
          constitutes inimical conduct under any circumstances.

     3.   The third sentence of Section 6.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 6.2 is amended to read as follows:

          6.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          6.2.1  All Accrued Compensation;

          6.2.2  A Pro Rata Bonus (as defined in Section 6.1.5
          above); and

          6.2.3  Severance ("Severance") equal to the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $7,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 12
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Lastly, the Company shall credit you with an additional
          12 months of service and age for the purposes of
          determining the level of your retirement benefits under
          any qualified or nonqualified defined benefit pension,
          supplemental or excess retirement plan maintained by
          the Company in which you are a covered employee (the
          "Retirement Plans").

          Except as otherwise provided in this Section 6.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 6.4 is amended to read as follows:

          6.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 6.4.3 is amended to read
          as follows:

          6.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $7,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 6.4.5 shall
          be amended to read as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 8:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 11.1.3 is amended to read as follows:

          11.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 11.1.3 shall be of no force and
          effect;; or

     10.  Section 11.4.7 is renumbered to be Section 11.4.8 and
          the following Section
          11.4.7 is added:

          11.4.7    Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     11.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              -------------------------
                              Joseph P. Clayton



Agreed and Accepted:


/s/James G. Dole
- -------------------------
James G. Dole





23037


                              May 1, 1999


Mr. Rolla Huff
17 Moraine Point
Victor, New York 14564


Dear Mr. Huff:

     As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated May 22, 1998 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.

     3.   The third sentence of Section 7.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 7.2 is amended to read as follows:

          7.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          7.2.1  All Accrued Compensation;

          7.2.2  A Pro Rata Bonus (as defined in Section 7.1.5
          above); and

          7.2.3  Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $18,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 7.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 7.4 is amended to read as follows:

          7.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 7.4.3 is amended to read
          as follows:

          7.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $18,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 7.4.3 shall
          be amended to read as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 9:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 12.1.3 is amended to read as follows:

          12.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 12.1.3 shall be of no force and
          effect; or

     10.  Section 12.1.4 is amended to read as follows:

          12.1.4  You have been convicted of a felony or a crime
          involving moral turpitude; provided, however, that on
          and after a Change of Control this Section 12.1.4 shall
          be limited to apply only to the conviction of a felony;
          or

     11.  Section 12.4.7 is renumbered to be Section 12.4.8 and
          the following Section 12.4.7 is added:

          12.4.7  Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     12.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              ---------------------------
                              Joseph P. Clayton




Agreed and Accepted:


/s/Rolla P. Huff
- --------------------------
Rolla P. Huff





23038


                              May 1, 1999


Mr. Martin T. McCue
14 Fall Meadow Drive
Pittsford, New York  14534


Dear Mr. McCue:

     As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated January 1, 1998 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.  In such case, the Company also will not
          assert that any activity covered under Section 4
          constitutes inimical conduct under any circumstances.

     3.   The third sentence of Section 7.1.5 is amended to read
          as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 7.2 is amended to read as follows:

          7.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          7.2.1  All Accrued Compensation;

          7.2.2  A Pro Rata Bonus (as defined in Section 7.1.5
          above); and

          7.2.3  Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $15,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 7.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
          Section 7.4 is amended to
          read as follows:

          7.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 7.4.3 is amended to read
          as follows:

          7.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $15,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 7.4.3 is
          amended to read as
          follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 9:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 12.1.3 is amended to read as follows:

          12.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 12.1.3 shall be of no force and
          effect; or

     10.  Section 12.1.4 is amended to read as follows:

          12.1.4   You have been convicted of a felony or a crime
          involving moral turpitude; provided, however, that on
          and after a Change of Control this Section 12.1.4 shall
          be limited to apply only to the conviction of a felony;
          or

     11.  Section 12.4.7 is renumbered to be Section 12.4.8 and
          the following Section
          12.4.7 is added:

          12.4.7    Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     12.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     This amendment does not modify to your detriment the
application of provisions in your current agreement that provide
that you will be credited with certain age and years of service
credits upon a Change of Control so as to enable you to enter
Retirement thereafter if you so elect.

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              --------------------------
                              Joseph P. Clayton



Agreed and Accepted:


/s/Martin T. McCue
- ---------------------------
Martin T. McCue




23039


                              May 1, 1999


Ms. Donna L. Reeves
26 Sunrise Hill
Pittsford, New York  14534


Dear Ms. Reeves:

     As you know, Frontier Corporation (the "Company") has
entered into an agreement which would constitute a Change of
Control pursuant to the agreement between yourself and the
Company dated October 14, 1997 (the "COC Agreement").  In
contemplation of a Change of Control, the Company and you agree
to amend your COC Agreement as follows:

     1.   Section 4.2.3(b) is amended to read as follows:

          (b)  The period of your employment by the Company
          (whether under this Agreement or otherwise) and 24
          months thereafter, if your employment is terminated,
          prior to a Change of Control (i) because of your
          Retirement, or (ii) by the Company for Cause or without
          Cause;

     2.   Section 4.2.3(d) is amended to read as follows:

          (d)   On and after a Change of Control has occurred, or
          if your employment is terminated for Good Reason, the
          period of your employment by the Company under this
          Agreement.  In such case, the Company also will not
          assert that any activity covered under Section 4
          constitutes inimical conduct under any circumstances.

     3.   The third sentence of Section 7.1.5 is amended to read
     as follows:

          The term "Bonus Amount" means the greatest of: (i) your
          annual cash performance bonus under the Company's bonus
          program at the premier target level for the year in
          which the Termination Date occurs, but no lower than
          the premier target level established and in effect
          prior to March 16, 1999; (ii) the bonus paid or payable
          to you with respect to the fiscal year preceding the
          year in which the Termination Date occurs; or (iii)
          following a Change of Control, the bonus paid to you
          with respect to the fiscal year preceding the year in
          which the Change of Control occurred.

     4.   Section 7.2 is amended to read as follows:

          7.2  Termination Without Cause. If the Company
          terminates your employment without Cause (as defined
          later in this Agreement) prior to a Change of Control,
          the Company shall pay you:

          7.2.1  All Accrued Compensation;

          7.2.2  A Pro Rata Bonus (as defined in Section 7.1.5
          above); and

          7.2.3  Severance ("Severance") equal to twice the sum
          of (i) the annual base compensation you would have
          received for the entire fiscal year in which the
          Termination Date occurs plus (ii) the Bonus Amount plus
          (iii) $15,000, or if greater, the 1999 cash equivalent
          of the annual value of the perquisites provided to you
          under the Company's Executive Compensation Program plus
          (iv) the Company contributions which would have been
          made on your behalf to the 401(k) retirement savings
          plan maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing shall be in lieu of any other amount of
          severance relating to salary or bonus continuation to
          be received by you upon termination of your employment
          under any severance plan, policy or arrangement of the
          Company.

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 24
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

          Except as otherwise provided in this Section 7.2, your
          entitlement to any other compensation or benefits shall
          be determined in accordance with the Company's employee
          benefit plans and other applicable programs and
          practices then in effect.

     5.   The first phrase of the introductory sentence of
     Section 7.4 is amended to
          read as follows:

          7.4  Termination by Company Following Change of Control
          or Termination for Good Reason.  If the Company
          terminates your employment on and after a Change of
          Control, or you terminate your employment for Good
          Reason (whether or not you elect to retire, if
          eligible), the Company shall pay you:

     6.   The first paragraph of Section 7.4.3 is amended to read
     as follows:

          7.4.3  Severance equal to three times the sum of (i)
          the annual base compensation you would have received
          for the entire fiscal year in which the Termination
          Date occurs plus (ii) the Bonus Amount plus (iii)
          $15,000, or if greater, the 1999 cash equivalent of the
          annual value of the perquisites provided to you under
          the Company's Executive Compensation Program plus (iv)
          the Company contributions which would have been made on
          your behalf to the 401(k) retirement savings plan
          maintained by the Company for the year of your
          termination plus (v) the Company allocation which would
          have been made to your account in the Company's
          Supplemental Retirement Savings Plan (or any successor
          thereto) for the year of your termination.  The
          foregoing severance shall be in lieu of any other
          amount of severance relating to salary or bonus
          continuation to be received by you upon termination of
          your employment under any severance plan, policy or
          arrangement of the Company.

     7.   The paragraph immediately following Section 7.4.3 shall
     be amended to read
          as follows:

          In addition, the Company shall continue to provide to
          you and your family at the Company's expense, for 36
          months following the Termination Date, the life
          insurance, disability, medical, dental, vision and
          hospitalization benefits provided to you and (other
          than for disability) your family immediately prior to
          the Termination Date.

     8.   The following proviso is added to the end of Section 9:

          ; provided, however, that on and after a Change of
          Control neither the Company nor any other person shall
          be permitted to terminate any payments or benefits
          under the terms of this section.

     9.   Section 12.1.3 is amended to read as follows:

          12.1.3  You have willfully engaged in conduct which is
          illegal or in violation of the Company's Code of
          Ethics; provided, however, that on and after a Change
          of Control this Section 12.1.3 shall be of no force and
          effect; or

     10.  Section 12.1.4 is amended to read as follows:

          12.1.4  You have been convicted of a felony or a crime
          involving moral turpitude; provided, however, that on
          and after a Change of Control this Section 12.1.4 shall
          be limited to apply only to the conviction of a felony;
          or

     11.  Section 12.4.7 is renumbered to be Section 12.4.8 and
     the following Section 12.4.7 is added:

          12.4.7    Without your express written consent, after a
          Change of Control, any requirement that you relocate
          your principal place of business more than 50 miles
          from your principal place of business immediately prior
          to such Change of Control or any substantial increase
          in business related travel over the level of travel
          required immediately prior to the Change of Control; or

     12.  The term "Retirement" above is used in the event you
          are or are currently entitled to become retirement
          eligible, and does not create new retirement
          eligibility.  In the absence of a definition in your
          existing agreement, for purposes of this COC Amendment,
          the following definition applies:

          "Retirement" shall, for each affected plan or agreement
          involving you and the Company, have the meaning
          established in the applicable plan or agreement, or in
          the absence of a definition or consistently applied
          interpretation, shall mean a voluntary or involuntary
          termination of your employment after age 65, or at age
          65 or earlier, with age and service credits that would,
          in such case, entitle you to receive a normal or early
          retirement service pension under the Frontier
          Management Pension Plan (or any successor or substitute
          plan or plans of Frontier instituted prior to March 16,
          1999.)

     Three signed copies of this amendment have been enclosed.
The amendments being made herein are being made pursuant to
authorization of the board of directors of the Company.  Your
agreement and this COC Amendment will not adversely impact the
validity or treatment of any separate agreement that you have
with the Company with respect to options, loan forgiveness or the
like that was in place as of March 16, 1999.

     If you agree to the above mentioned changes to your COC
Agreement, please sign all copies below and return two of the
signed original agreements to Mr. McCue.

                              Sincerely,



                              /s/Joseph P. Clayton
                              ------------------------
                              Joseph P. Clayton



Agreed and Accepted:


/s/Donna L. Reeves
- ----------------------------
Donna L. Reeves




11




22753
                CHANGE OF CONTROL SEVERANCE PLAN
              FOR SALARY BAND LEVELS 25 AND ABOVE


          WHEREAS, the Board of Directors (the "Board") of
Frontier Corporation (the "Company") recognizes that the
possibility of a Change of Control (as hereinafter defined)
exists and that the threat, or the occurrence, of a Change of
Control can result in significant distraction of its personnel
because of the uncertainties inherent in such a situation;

          WHEREAS, the Board has determined that it is essential
and in the best interest of the Company and its shareholders to
retain the services of certain employees (other than those with
change of control or employment agreements) in the event of a
threat, or occurrence, of a Change of Control and to ensure the
employees' continued dedication and efforts in such event without
undue concern for their personal financial and employment
security; and

          WHEREAS, in order to induce the employees to remain in
the employ of the Company or any Employer (as hereinafter
defined), particularly in the event of a threat, or the
occurrence, of a Change of Control, the Company desires to
establish this Change of Control Severance Plan for Salary Band
Levels 25 and Above (the "Plan") to provide eligible employees
with certain benefits in the event of certain terminations of
their employment within two years following a Change of Control.

          NOW, THEREFORE, the Company does hereby establish the
Plan in accordance with the following terms:

          1.  Term of Plan.  This Plan shall become effective on
the Effective Date and remain in effect until the second
anniversary of a Change of Control; provided, however, that the
Company shall in all events remain liable to provide any amounts
or benefits to which a Participant became entitled hereunder
prior to such anniversary.

          2.  Eligible Employees.  This Plan shall apply to all
full- and part-time regular employees in salary bands 25 through
41, 25S through 33S, SA, SB, SC and SD, or any salary category
applicable to a Participant that replaces or supersedes these
salary bands, and who are employed by the Company immediately
prior to a Change of Control.

               However, this Plan does not cover:
                    -    employees covered by a collective
                    bargaining agreement
               -    temporary employees
               -    leased employees
               -    interns
               -    inactive employees

Employees covered by individual employment contracts and/or
employees of international business units shall participate in
this Plan only insofar as the benefits received under such
individual employment agreement or non-US severance program are
in the aggregate less than the benefits provided for under this
Plan.  In such case, benefits received shall be limited to the
greater of benefits under this Plan or those received under such
participant's individual employment agreement or non-US severance
program.

          3.  Definitions.  For purposes of this Plan, the
following definitions shall apply:

               "Base Salary" shall mean the higher of the
Participant's annual base salary on either the Effective Date or
the Termination Date.

               "Cause" shall mean the termination of a
Participant due to:

               (i)       the failure of the Participant to
          perform substantially the Participant's duties with the
          Employer (other than any such failure resulting from
          incapacity due to physical or mental illness), after
          written notice of nonperformance is provided to or a
          demand for substantial performance is made upon the
          Participant by an officer of the Employer or the
          Participant's superior or the engaging by a Participant
          in insubordinate or disloyal conduct with respect to
          the Employer;

               (ii)      the willful engaging by a Participant in
          any misconduct which is demonstrably injurious to the
          Company or any Employer; or

               (iii)     a material violation by the Participant
          of any written policies of the Company or any Employer
          with regards to performance, conduct on the job or
          integrity which violation is reasonably determined to
          justify a termination of employment for Cause in
          accordance with the Company's past practice.

               "Change of Control" shall mean any of the
following events:

               (i)  The consummation of a consolidation or merger
          of the Company in which the Company is not the
          continuing or surviving corporation or pursuant to
          which the shares of the Company's common voting equity
          are to be converted into cash, securities or other
          property, other than any such merger or consolidation
          in which the shareholders of the Company prior to such
          merger or consolidation own at least 65% of the voting
          equity of the successor entity following such merger or
          consolidation.  For the purposes of this Plan, a
          consolidation or merger with a corporation which was a
          wholly-owned direct or indirect subsidiary of the
          Company immediately before the consolidation or merger
          is not a Change of Control; or

               (ii) The sale, lease, exchange or other transfer
          (in one transaction or a series of related
          transactions) of all or substantially all of the
          Company's assets, other than a sale or exchange in
          which the acquiring party is an affiliate of the
          Company in which at least 65% of the shares are held
          (directly or indirectly) by the shareholders of the
          Company; or

               (iii) The approval by the Company's shareholders
          of any plan or proposal for the liquidation or
          dissolution of the Company; or

               (iv) Any person, as that term is used in Section
          13(d) and 14(d) of the Exchange Act (other than the
          Company, any trustee or other fiduciary holding
          securities of the Company under an employee benefit
          plan of the Company, a direct or indirect wholly-owned
          subsidiary of the Company or any other company owned,
          directly or indirectly, by the shareholders of the
          Company in substantially the same proportions as their
          ownership of the Company's common voting equity), is or
          becomes the beneficial owner (within the meaning of
          Rule 13d-3 under the Exchange Act), directly or
          indirectly, of 30% or more of the Company's (or a
          successor's) then outstanding common, voting equity; or

               (v) During any period of two consecutive years,
          individuals who at the beginning of such period
          constitute the Board, including for this purpose any
          new director (other than a director designated by a
          person who has entered into an agreement with the
          Company to effect, or who has threatened to effect, a
          transaction described in subparagraphs (i)-(iv)) whose
          election or nomination for election by the Company's
          shareholders was approved by a vote of at least two-
          thirds of the directors then still in office who were
          directors at the beginning of the period or whose
          election or nomination for election was previously so
          approved (the "Incumbent Board"), cease for any reason
          to constitute a majority of the Board.

          "COBRA" shall mean the Consolidated Omnibus
Reconciliation Act of 1985, as amended.

          "Disability" shall mean the Participant's absence from
the full-time performance of the Participant's duties (as they
existed immediately prior to such absence) for a period of time
longer than 180 days within a 365-day rolling calendar, when the
Participant is disabled as a result of incapacity due to physical
or mental illness or serious injury.

          "Effective Date" shall mean the date on which a Change
of Control occurs, including the date on which the merger
contemplated in the Merger Agreement is completed.

          "Employer" shall mean the Company, or any parent,
subsidiary, or affiliate of the Company (as defined pursuant to
sections 414(b) or 414(c) of the Internal Revenue Code, as
amended) or successor thereto, for which a Participant performs
services or is employed thereby, as applicable to each
Participant.

          "Good Reason" shall mean the occurrence after a Change
of Control of any of the following events or conditions which is
not done with the Participant's written consent or other
acquiescence or is not cured within thirty (30) days after the
Company receives written notice from the Participant setting
forth in reasonable detail the basis for the Participant's claim
of Good Reason:

               (i)  any reduction in the Participant's Base
          Salary from the Base Salary in effect immediately prior
          to the Change of Control;

               (ii) any significant diminution in the
          Participant's titles, duties or responsibilities from
          those he or she held immediately prior to the Effective
          Date; and

               (iii) the Participant is required to be based at a
          location more than 50 miles from the location where the
          Participant was based and performed services
          immediately prior to the Effective Date or any
          substantial increase in the Participant's business
          related travel over the level of travel required of
          such Participant immediately prior to the Effective
          Date.

          "Merger Agreement" shall mean the agreement of merger
between Frontier Corporation and Global Crossing Ltd. dated
March 16, 1999.

          "Participant" shall mean an eligible employee under
Section 2 of this Plan.

          "Retirement" shall mean a termination of employment by
the Participant pursuant to late, normal or early retirement
under a pension plan sponsored by the Company, as defined in such
plan.

          "Severance Period" shall mean the number of months a
Participant is entitled to receive severance payments pursuant to
Section 4(a) of this Plan.

          "Termination Date" shall mean in the case of the
Participant's death, his or her date of death, or in all other
cases, the date specified in any notice of termination.

          4.   Benefits Upon Termination.  Subject to the
limitations set forth in succeeding paragraphs, a Participant
who, within two years following a Change of Control, terminates
employment from the Employer due to a reason other than Cause, or
terminates employment for Good Reason (both as defined herein),
shall be entitled to the following benefits:

          (a)  Severance.  The Participant shall receive, based
on his or her respective Salary Band Level or equivalent, cash
severance payments, payable in installments pursuant to the
normal payroll practices of the Company, equal to the following:

               (i)       Salary Band Levels 25 through 28, 25S
          through 28S, SA and SB.  One month of Base Salary for
          each full or partial calendar year of service with the
          Company, with a minimum payment of six (6) months Base
          Salary.

               (ii)      Salary Band Levels 29 through 30, 29S,
          30S, SC and SD.  One month of Base Salary for each full
          or partial calendar year of service with the Company,
          with a minimum payment of twelve (12) months Base
          Salary.

               (iii)     Salary Band Levels 31 and above. Two
          months of Base Salary for each full or partial calendar
          year of service with the Company, with a minimum
          payment of twelve (12) months Base Salary.

          In no event shall any Participant be entitled to
          receive more than 24 months of Base Salary.

          (b)  Additional Payments.  In addition to the severance
payment in (a), above, a Participant shall receive additional
payments, also payable in installments pursuant to the normal
payroll practices of the Company, equal to the following:

               (i)       any accrued but unpaid Base Salary
          through the Termination Date, any unpaid bonus
          attributable to the prior year, and any unpaid due and
          owing commissions;

               (ii)      a pro rata portion, if any, of the
          annual bonus at the standard level that would be
          payable pursuant to the annual incentive plan in which
          the Participant participates (calculated through the
          Termination Date);

               (iii)     for commissioned sales employees, an
          amount equal to the Participant's average monthly sales
          commission for the immediately preceding six months
          multiplied by the number of months constituting the
          Participant's Severance Period;

               (iv)      an amount, if any, equal to any accrued
          paid time off in full satisfaction of the Participant's
          rights thereto.

          (c)  Welfare Benefits.  The Company and the Participant
shall continue to make such contributions as were required to be
paid by the Company and the Participant immediately prior to the
Termination Date for, and the Participant shall continue to
receive, medical, dental, and vision benefits for the Participant
and the Participant's eligible dependents on the same basis as in
effect prior to the Change of Control or the Participant's
Termination Date, whichever is deemed to provide for more
substantial benefits, for a period equal to the number of months
constituting the Severance Period; thereafter, the Participant
may continue to be covered under the plans of the Employer
providing such benefits at the Participant's expense at the
applicable COBRA rate for the duration of the COBRA period which
begins to run as of the Termination Date of the Participant;
provided, however, in the event that the Participant commences
comparable benefit coverage with a subsequent employer during the
Severance Period, such Employer benefit coverage shall cease.  If
a Participant does not have medical, dental or vision coverage
through the Employer immediately preceding the Termination Date,
this paragraph shall not be construed as giving the Participant
any additional rights with respect to these benefits.

          (d)  Outplacement.  If the Participant chooses to
receive the Company's outplacement services, the Company shall
provide such outplacement services, so long as such services do
not exceed 10% of the Participant's Base Salary.

          (e)  Withholding.  Payments and benefits provided
pursuant to this Section 4 shall be subject to any applicable
payroll and other taxes required to be withheld.

          (f)  No Mitigation.  The Participant shall not be
required to mitigate the amount of any payment provided for in
this Plan by seeking other employment or otherwise, and no such
payment shall be offset or reduced by the amount of any
compensation or benefits provided to the Participant in any
subsequent employment, other than is set forth in Section 4(c).

          (g)  Offset for Other Severance.  In the event that the
Participant is eligible for severance under any other plan or
agreement of the Company or any Employer, then any cash severance
amounts payable pursuant to this Plan shall be reduced by the
amount of any cash severance payments payable under such other
plan or agreement.  Additionally, any award or settlement
received in any successful claim against the Company shall be
offset by severance payments received under this Plan.

          5.   Limitations on Benefits.

               (a)  No benefits shall be paid to a Participant
who voluntarily terminates employment without Good Reason or who
terminates employment through death.

               (b)  No benefits shall be paid to an employee
whose employment is terminated for Cause.

               (c)  A Participant will not receive benefits under
this Plan in the event that the business unit for which the
Participant provides services is sold, spunoff, merged or
otherwise disposed to a third party and the Participant is
offered employment by the successor entity.  Nothing in this
subparagraph is deemed to limit the Participant's ability to
invoke Good Reason with respect to the employment opportunity
offered through the successor entity.

               (d)  No benefits shall be paid to a Participant
whose employment terminates by reason of Retirement, unless such
Retirement is associated with an event giving rise to severance
benefits under this Plan.

               (e)   A Participant will not receive benefits
under this Plan in the event the Participant's employment is
terminated due to a 365-day absence from work following the
Participant's Disability Date; provided, however, such
termination from work shall be effected pursuant to the
provisions of the Company's Long-Term Disability Program.

          6.   Notices.  Termination by the Employer of the
Participant's employment for any reason shall be made by delivery
to the Participant of a written notice specifying the basis for
such termination ("Notice of Termination").  For the purposes of
this Plan, notices and all other communications provided for in
the Plan shall be in writing and shall be deemed to have been
duly given when personally delivered, delivered by a nationally
recognized overnight delivery service, or sent by certified mail,
return receipt requested, postage prepaid, addressed to the
respective address last given by each party to the other,
provided that all notices to the Employer shall be directed to
the attention of the General Counsel with a copy to the Secretary
of the Employer.  All notices and communications shall be deemed
to have been received on the date of delivery thereof or on the
third business day after the mailing thereof, except that notice
of change of address shall be effective only upon receipt.

          7.   Amendment and Termination.  This Plan may not be
amended or terminated during the period commencing on the date of
a Change of Control and ending on the second anniversary of the
Change of Control; provided, however, that no amendment or
termination after May 15, 1999 of this Plan may alter or curtail
the entitlements of a Participant accrued under the terms of this
Plan by virtue of a termination of the Participant's employment
prior to such amendment or termination and the Company shall
continue to provide the benefits or payments to which a
Participant had become entitled hereunder prior to the
termination or amendment of this Plan.

          8.   Non-exclusivity of Rights.  Nothing in this Plan
shall prevent or limit the Participant's continuing or future
participation in any benefit, bonus, incentive or other plan or
program provided by the Company, its parent, subsidiaries,
affiliates and successors thereto, and for which the Participant
may qualify, nor shall anything herein limit or reduce such
rights as the Participant may have under any agreements with the
Company or any of the foregoing related entities (although any
such severance benefits reduce the severance payable under this
Plan).  Amounts which are vested benefits or which the
Participant is otherwise entitled to receive under any plan or
program of the Company or any of the foregoing related entities
shall be payable in accordance with such plan or program, except
as explicitly modified by this Plan.

          9.   Joint and Several Liability.  Each entity included
in the definition of "Employer" and any successors or assigns
shall be jointly and severally liable with the Company under this
Plan.

          10.  Governing Law.  This Plan shall be governed by and
construed and enforced in accordance with the laws of the State
of New York without giving effect to the conflict of law
principles thereof.  For purposes of jurisdiction and venue, the
Company and each Employer hereby consent to jurisdiction and
venue in any action, suit or proceeding in any court of competent
jurisdiction in any state in which the Participant resides at the
commencement of such action, suit or proceeding and waives any
objection, challenge or dispute as to such jurisdiction or venue
being proper.

          11.  Successors and Assigns.  This Plan shall be
binding upon and shall inure to the benefit of the Company, its
successors and assigns, and the Company shall require any
successor or assign to expressly assume and agree to maintain
this Plan and to perform under this Plan to the same extent that
the Company would be required to perform under the Plan if no
such succession or assignment had taken place.  The term
"Company" as used herein shall include such successors and
assigns.  The terms "successors and assigns" as used herein shall
mean a corporation or other entity acquiring all of the stock or
all or substantially all the assets and business of the Company
whether by operation of law or otherwise and shall include but
not be limited to Global Crossing Ltd. and the surviving
corporation in existence upon completion of the merger
contemplated in the Merger Agreement, or any other firm with whom
the Company merges or is merged into or is acquired, as well as
all successors and assigns by merger or otherwise to Global
Crossing Ltd. or any other acquirer of the Company.

          12.  Severability.  The provisions of this Plan shall
be deemed severable, and the invalidity or unenforceability of
any provision hereof shall not affect the validity or
enforceability of the other provisions hereof.

          13.  Claims for Benefits.  All claims for benefits
under this Plan must be submitted to the Employees' Benefit
Committee within 60 days following termination of employment.  In
the event a claim for benefits is denied, the Employees' Benefit
Committee will provide the employee with a written notice stating
the specific reason or reasons for denial, including specific
provisions of the Plan relied upon.  The notice will also explain
what is necessary to perfect the claim, if possible, and inform
the employee that the denial may be appealed.  Such denial may be
appealed by written request to the Employees' Benefit Committee
within a reasonable time.  Within 60 days of receiving a request
for review of a denied claim, the Employees' Benefit Committee
shall provide a written decision to the employee.

          14.  Plan Administration.  The Plan is administered by
the Employees' Benefit Committee, which shall have the sole
discretion to determine eligibility for benefits and to interpret
the Plan and shall possess all powers necessary to administer the
Plan.  The Employees' Benefit Committee may designate in writing
one or more of the Employer's employees or one or more other
persons to carry out its duties under this Plan.  The Employees'
Benefit Committee is the Named Fiduciary and Plan Administrator
as these terms are used in the Employee Retirement Income
Security Act of 1974 ("ERISA").

          15.  Miscellaneous Information.

          Plan Sponsor:  Frontier Corporation
                         180 South Clinton Avenue
                         Rochester, New York 14646

          Sponsor's Employer Identification Number:  16-0613330

          Plan Administrator and Agent for Service of
          Legal Process:

                         Employees' Benefit Committee
                         Frontier Corporation
                         180 South Clinton Avenue
                         Rochester, NY 14646
                         (716) 777-7133

          Plan Number:   502

          16.  Statement of Participant Rights.  As a Participant
in the Plan you are entitled to certain rights and protections
under the Employee Retirement Income Security Act of 1974
("ERISA").  These rights and protections have been summarized in
government regulations which require that we inform you of them
in the following statement:

          ERISA provides that all plan participants shall be
entitled to:

          Examine, without charge, at the plan administrator's
office and at other specified locations, such as worksites, all
plan documents, including insurance contracts, and copies of all
documents filed by the Plan with the U.S. Department of Labor,
such as detailed annual reports and plan descriptions.

          Obtain copies of all plan documents and other plan
information upon written request to the plan administrator.  The
administrator may make a reasonable charge for the copies.

          Receive a summary of the plan's annual financial
report.  The plan administrator is required by law to furnish
each participant with a copy of this summary annual report.

          In addition to creating rights for plan participants,
ERISA imposes duties upon the people who are responsible for the
operation of the employee benefit plan.  The people who operate
your plan, called "fiduciaries" of the plan, have a duty to do so
prudently and in the interest of you and other plan participants
and beneficiaries.  No one, including your employer, or any other
person, may fire you or otherwise discriminate against you in any
way to prevent you from obtaining a welfare benefit or exercising
your rights under ERISA.  If your claim for a welfare benefit is
denied in whole or in part you must receive a written explanation
of the reason for the denial.

          You have the right to have the plan review and
reconsider your claim.  Under ERISA, there are steps you can take
to enforce the above rights.  For instance, if you request
materials from the plan and do not receive them within 30 days,
you may file suit in a federal court.  In such a case, the court
may require the plan administrator to provide the materials and
pay you up to $100 a day until you receive the materials, unless
the materials were not sent because of reasons beyond the control
of the administrator.  If you have a claim for benefits which is
denied or ignored, in whole or in part, you may file suit in a
state or federal court.  If it should happen that you are
discriminated against for asserting your rights, you may seek
assistance from the U.S. Department of Labor or you may file suit
in a federal court.  The court will decide who should pay court
costs and legal fees.  If you are unsuccessful the court may
order you to pay these costs and fees, for example, if it finds
your claim is frivolous.  If you have any questions about your
plan, you should contact the plan administrator.  If you have any
questions under this statement or about your rights under ERISA,
you should contact the nearest Area Office of the U.S. Labor-
Management Services Administration, Department of Labor.

          Although this government statement emphasizes your
right to bring a lawsuit in federal court or to seek Labor
Department assistance, most disputes can probably be resolved
short of such actions.  The Employees' Benefit Committee may be
able to help you without need to resort to government assistance.


Dated: May 14, 1999           FRONTIER CORPORATION



                                   /s/ Martin T. McCue
                              By: _______________________
                                   Martin T. McCue
                                   Senior Vice President and
                                   General Counsel




23020




                              July 17, 1998

Joseph P. Clayton
Chief Executive Officer
Frontier Corporation
180 South Clinton Avenue
Rochester, New York  14646-0007


          RE:  Deferral of Restricted Stock Benefits

     This letter implements, in accordance with Internal Revenue
Code requirements, paragraph 2(f) of the 100,000 share Restricted
Stock Agreement dated February 10, 1998 between you and the
Company.  Paragraph 2(f) states that any shares which vest under
the Agreement will be deferred and paid to you on October 11,
2004 in either a lump sum or in installment payments over a
period of years not to exceed 10.

     The following terms and conditions apply to this deferral:

          --  All shares that become vested under the Agreement
plus any dividends payable on them will be deferred and credited
to a deferral account maintained by the Company for your benefit.
At least annually, the Company will provide you with a statement
setting forth the number of shares and the amount of cash, if
any, held in your account together with pertinent transactions
with respect to the account since the last statement.

          --  Any dividends payable on the deferred shares will
be reinvested, together with any other cash already in your
account, in the largest possible whole number of shares of
Company stock with any fractional share held in cash.

          --  Within 30 days following October 11, 2004, both the
restricted shares and any cash in your deferral account will be
paid to you in a lump sum payment unless you elect at least three
years prior to October 11, 2004, i.e., before October 11, 2001,
to receive the balance in your account in annual installment
payments over a period of years not to exceed 10.

               If you elect installment payments, the first
annual installment will be paid within 30 days following October
11, 2004 and each subsequent annual installment will by made
within 30 days following the relevant anniversary of October 11,
2004.  The number of shares to be paid each year will be the
nearest whole number of shares obtained by multiplying the total
number of shares held in the deferral account immediately
preceding the payment date by a fraction, the numerator of which
is one and the denominator of which is the total number of annual
installments you have elected minus the number of installments
already paid. Any cash in your account representing a fractional
share will be paid with the final installment.  If you elect
installment payments and die before all payments have been made,
the remaining balance of shares and cash in your deferral account
will be paid in a lump sum to your estate as soon as
administratively practicable following your death.

          --   In the event of your death before any payments
have commenced, the entire balance of shares and cash held in
your deferral account will be paid in a lump sum to your estate
as soon as administratively practicable following your death.

          --   In the event of an unforeseeable financial
emergency prior to all benefits being paid, the Company, in its
sole discretion, may elect to accelerate the payment of benefits
to you in such amount as it deems appropriate to alleviate the
financial emergency.

          --  The maintenance of the deferral account is for
bookkeeping purposes only.  The Company may, but is not obligated
to, acquire or set aside any particular assets for the discharge
of its obligations, nor will you have any property rights in any
particular assets held by the Company, whether or not held for
the purpose of funding the Company's obligations to you.  Your
right, or the right of your estate upon your death, to receive
future payments pursuant to this arrangement is an unsecured
claim against the general assets of the Company.  In other words,
your rights to payment are the same as any other unsecured
general creditor of the Company, a condition required by the tax
laws in order to have an effective deferral.   Notwithstanding
the foregoing, your right to receive payment under this
arrangement is a vested right that cannot be forfeited due to any
action by you or the Company, such as your termination of
employment after the shares have vested under the Agreement but
before they are paid out under this arrangement.

          --   Your rights under this arrangement are not
transferable other than by will or the laws of descent and
distribution and are exercisable during your lifetime only by
you, your guardian or your legal representative.

          --   The terms of this arrangement shall be interpreted
in light of the terms of the Agreement and the Company's
Management Stock Incentive Plan in the event any question under
this arrangement arises that is not addressed directly herein.

     If you agree with the terms of this letter, please so
signify by executing the acceptance below.


                         Very truly yours,



                         /s/ Janet Sansone
                         -----------------------
                         Janet Sansone


I agree with the terms and conditions set forth above.

Dated 2/16/99            /s/Joseph P. Clayton
                         --------------------------
                         Joseph P. Clayton


<PAGE>
<TABLE>
                                              Exhibit 11


                  Frontier Corporation
    Computation of Diluted Earnings Per Common Share
                       (Unaudited)


<CAPTION>

                                                   3 Months Ended      6 Months Ended
                                                       June 30,           June 30,
In thousands of dollars,
except per share data                             1999        1998      1999     1998
- -------------------------------------------------------------------------------------
<S>                                           <C>         <C>       <C>      <C>
Basic Income Applicable to Common Stock       $ 37,118    $ 45,656  $ 76,769 $ 79,319

Interest expense on convertible debentures,
 net of tax                                         90          90       180      180
- --------------------------------------------------------------------------------------
Diluted Income Applicable to Common Stock     $ 37,208    $ 45,746  $ 76,949  $ 79,499
======================================================================================

Weighted Average Shares Outstanding-Basic      172,542     170,390   172,048   170,230
Stock options and warrants                       6,190       3,200     4,722     2,716
Convertible debentures                             503         503       503       503
- --------------------------------------------------------------------------------------
Weighted Average Shares Outstanding-Diluted    179,235     174,093   177,273   173,449
======================================================================================
Diluted Earnings Per Common Share             $   0.21    $   0.26  $   0.43  $   0.46
======================================================================================
</TABLE>



<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
FRONTIER CORPORATION'S FINANCIAL STATEMENTS FOR THE SIX MONTH PERIOD
ENDED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000084567
<NAME> FRONTIER CORPORATION
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          99,453
<SECURITIES>                                         0
<RECEIVABLES>                                  491,488
<ALLOWANCES>                                    60,912
<INVENTORY>                                      7,243
<CURRENT-ASSETS>                               577,637
<PP&E>                                       3,652,617
<DEPRECIATION>                               1,614,160
<TOTAL-ASSETS>                               3,474,438
<CURRENT-LIABILITIES>                          551,229
<BONDS>                                      1,647,960
                                0
                                     18,294
<COMMON>                                       173,270
<OTHER-SE>                                     941,174
<TOTAL-LIABILITY-AND-EQUITY>                 3,474,438
<SALES>                                              0
<TOTAL-REVENUES>                             1,321,597
<CGS>                                                0
<TOTAL-COSTS>                                1,174,055
<OTHER-EXPENSES>                                   173
<LOSS-PROVISION>                                 2,000
<INTEREST-EXPENSE>                              29,850
<INCOME-PRETAX>                                132,686
<INCOME-TAX>                                    55,411
<INCOME-CONTINUING>                             77,275
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    77,275
<EPS-BASIC>                                        .45
<EPS-DILUTED>                                      .43


</TABLE>


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