<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF ICG COMMUNICATIONS, INC. AND SUBSIDIARIES
FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 216,714
<SECURITIES> 17,536
<RECEIVABLES> 251,504
<ALLOWANCES> 57,864
<INVENTORY> 19,839
<CURRENT-ASSETS> 447,729
<PP&E> 2,650,813
<DEPRECIATION> (457,363)
<TOTAL-ASSETS> 2,789,927
<CURRENT-LIABILITIES> 598,500
<BONDS> 4,129,699
1,222,896
0<F1>
<COMMON> 520
<OTHER-SE> (1,243,285)
<TOTAL-LIABILITY-AND-EQUITY> 2,789,927
<SALES> 0<F1>
<TOTAL-REVENUES> 477,778
<CGS> 0<F1>
<TOTAL-COSTS> 304,202
<OTHER-EXPENSES> 429,719
<LOSS-PROVISION> 31,688
<INTEREST-EXPENSE> 195,406
<INCOME-PRETAX> (431,461)
<INCOME-TAX> 10
<INCOME-CONTINUING> (482,899)
<DISCONTINUED> 0<F1>
<EXTRAORDINARY> 0<F1>
<CHANGES> 0<F1>
<NET-INCOME> (673,178)
<EPS-BASIC> (13.58)
<EPS-DILUTED> 0<F1>
</TABLE>