AMERICAN CENTURY CALIFORNIA TAX FREE & MUNICIPAL FUNDS
497K3B, 1999-07-23
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[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo (reg. sm)]
American
Century

California Municipal Money Market Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA MUNICIPAL MONEY MARKET FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California Municipal Money Market seeks safety of principal and high current
    income that is exempt from federal and California income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers buy high-quality,  cash-equivalent  securities with income
    payments exempt from federal and California income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    The fund managers also may buy  high-quality,  cash-  equivalent  securities
    whose payments are exempt from federal and California  income taxes, but not
    the  federal   alternative   minimum   tax.   Cities,   counties  and  other
    municipalities in California  usually issue these securities (called private
    activity bonds) to fund for-profit  private projects,  such as hospitals and
    athletic stadiums.

    Additional information about California Municipal Money Market's investments
    is available in its annual and  semi-annual  reports.  In these  reports you
    will find a discussion of the market  conditions and  investment  strategies
    that  significantly  affected the fund's  performance during the most recent
    fiscal period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government  agency.  Although  the fund seeks to preserve  the value of your
    investment at $1.00 per share,  it is possible to lose money by investing in
    the fund.

    *  Because  cash-equivalent  securities  are  among  the  safest  securities
    available,  the  interest  they pay is among the  lowest  for  income-paying
    securities.  Accordingly,  the yield on this fund will  likely be lower than
    funds that invest in longer-term or lower-quality securities.

    * Some or all of the fund's income may be subject to the federal alternative
    minimum tax.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Municipal  Money  Market  may have a higher  level of risk than  funds  that
    invest in a larger universe of securities.

    FUND PERFORMANCE

    The following bar chart shows the actual performance of California Municipal
    Money Market's  shares for each calendar year since the fund's  inception on
    December 31, 1990.  The bar chart  indicates  the  volatility  of the fund's
    historical  returns  from year to year.  The bar  chart and the  performance
    information  below are not intended to indicate how the fund will perform in
    the future.

[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     3.05%
       1997     3.23%
       1996     3.10%
       1995     3.49%
       1994     2.47%
       1993     2.09%
       1992     2.95%
       1991     4.61%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California Municipal Money Market's year-to-date return was 1.34%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Municipal
    Money Market              1.18% (3Q 1991)         0.47% (1Q 1994)


California Municipal Money Market                American Century Investments


    The following  table shows the average  annual  returns of the fund's shares
    for the periods  indicated.  The Lipper  California  Tax-Exempt Money Market
    Average, an unmanaged index that reflects no operating costs, is included as
    a  benchmark   for   performance   comparisons.   For  current   performance
    information, including yields, please call us or access our Web site.

                                    1 YEAR         5 YEARS     LIFE OF FUND(1)
AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
- ---------------------------------------------------------
      California Municipal
        Money Market                 2.81%          3.13%          3.10%
      Lipper California Tax-Exempt
        Money Market Average         2.46%          2.90%          2.87%

        (1) The inception date for California Municipal Money Market is December
        31, 1990.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
        Management Fee                               0.50%(1)
        Distribution and Service (12b-1) Fees        None
        Other Expenses(2)                            0.00%
        Total Annual Fund Operating Expenses         0.50%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2) Other  expenses,  which  include the fees and expenses of the fund's
        independent trustees,  their legal counsel and interest,  were less than
        0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

               1 year       3 years     5 years       10 years
                $51          $160        $279           $627

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager who leads the team that manages California Municipal Money Market:

    TODD PARDULA, Vice President and Portfolio Manager, has been a member of the
    California  Municipal  Money Market team since May 1994. He joined  American
    Century in 1990.  He has a  bachelor's  degree in finance  from Santa  Clara
    University and is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $2,500. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.


California Municipal Money Market                                Fund Profile


7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may  exchange  your shares in  California  Municipal
    Money Market for shares in nearly 70 other mutual funds  offered by American
    Century.  Depending  on the options  you select when you open your  account,
    some restrictions may apply. For your protection,  some redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Dividends  are declared and available for  redemption  daily.  Distributions
    will generally be exempt from federal and California  income taxes.  Some or
    all of the fund's income may, however, be subject to the federal alternative
    minimum tax. Consult your tax advisor for information  about whether you are
    subject to the federal alternative minimum tax. Distributions are reinvested
    automatically in additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16984   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo (reg. sm)]
American
Century

California High-Yield Municipal Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA HIGH-YIELD MUNICIPAL FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  High-Yield  Municipal  seeks high current  income that is exempt
    from federal and California income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  buy long- and  intermediate-term  debt  securities  with
    income  payments  exempt from federal and California  income taxes.  Cities,
    counties  and  other   municipalities  in  California  usually  issue  these
    securities for public projects.

    The fund managers also may buy long- and  intermediate-term  debt securities
    whose payments are exempt from federal and California  income taxes, but not
    the  federal   alternative   minimum   tax.   Cities,   counties  and  other
    municipalities in California  usually issue these securities (called private
    activity bonds) to fund for-profit  private projects,  such as hospitals and
    athletic  stadiums.  Between 10% and 30% of the fund's  total  assets may be
    invested in these securities.

    The fund  buys  securities  that are  considered  below  investment-  grade,
    including  so-called  "junk bonds." Issuers of these  securities  often have
    short financial histories or have questionable credit.

    The fund also may use futures contracts and options to pursue its investment
    objective.

    During  unusual  market  conditions,   the  fund  is  permitted  to  keep  a
    significant amount of its assets in cash or cash-  equivalents.  If it does,
    it may not achieve its investment objective and may generate taxable income.

    The  weighted  average  maturity  of the fund is  expected to be 10 years or
    longer.

    Additional information about California High-Yield  Municipal's  investments
    is available in its annual and  semi-annual  reports.  In these  reports you
    will find a discussion of the market  conditions and  investment  strategies
    that  significantly  affected the fund's  performance during the most recent
    fiscal period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. The interest rate risk for
    California  High-Yield  Municipal is higher than for funds that have shorter
    weighted  average  maturities,  such as  money  market  and  short-term  and
    intermediate-term bond funds.

    * The fund's investments often have high credit risk. The fund's share value
    may  fluctuate  significantly  more than other bond funds  because  the fund
    invests in lower-rated debt securities.

    * Some or all of the fund's income may be subject to the federal alternative
    minimum tax.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    High-Yield  Municipal may have a higher level of risk than funds that invest
    in a larger universe of securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    California High-Yield Municipal may be worth more or less than the price you
    paid.  If you sell  your  shares  when the  value is less than the price you
    paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary,  California  High-Yield  Municipal is intended for investors who
    seek high current income that is exempt from federal and  California  income
    taxes through a municipal securities fund, and who are willing to accept the
    risks associated with the fund's investment strategy.

    FUND PERFORMANCE

    The  following  bar  chart  shows  the  actual   performance  of  California
    High-Yield  Municipal's  shares for each of the last 10 calendar years.  The
    bar chart  indicates the  volatility of the fund's  historical  returns from
    year to year. The bar chart and the  performance  information  below are not
    intended to indicate how the fund will perform in the future.


California High-Yield Municipal               American Century Investments



[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     6.73%
       1997    10.50%
       1996     5.89%
       1995    18.29%
       1994    -5.36%
       1993    13.18%
       1992     9.17%
       1991    10.91%
       1990     5.65%
       1989     9.68%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California High-Yield Municipal's year-to-date return was -0.60%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California High-Yield
    Municipal                 7.18% (1Q 1995)         -4.54% (1Q 1994)

    The following  table shows the average  annual  returns of the fund's shares
    for the periods  indicated.  The Lehman  Long-Term  Municipal Bond Index, an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons.

                                1 YEAR    5 YEARS    10 YEARS   LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
       California High-Yield
         Municipal              2.98%      7.63%       7.58%        6.54%
       Lehman Long-Term
         Municipal Bond Index   1.98%      8.12%       8.13%        8.20%

        (1) The inception date for California  High-Yield  Municipal is December
        30, 1986.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
        Management Fee                               0.54%(1)
        Distribution and Service (12b-1) Fees        None
        Other Expenses(2)                            0.00%
        Total Annual Fund Operating Expenses         0.54%

             (1) Based on expenses incurred during the fund's most recent fiscal
             year. The fund has a stepped fee schedule.  As a result, the fund's
             management fee rate generally decreases as fund assets increase.

             (2) Other  expenses,  which  include  the fees and  expenses of the
             fund's independent trustees, their legal counsel and interest, were
             less than 0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

               1 year       3 years     5 years       10 years
                $55          $173        $301           $676

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager who leads the team that manages California High-Yield Municipal:

    STEVEN  M.  PERMUT,  Vice  President,  Portfolio  Manager  and  Director  of
    Municipal Research, has been a member of the California High-Yield Municipal
    team since January 1988. Mr. Permut joined American  Century in 1987. He has
    a bachelor's  degree in business and geography from the State  University of
    New  York-Oneonta  and an MBA in finance  from  Golden  Gate  University-San
    Francisco.


California High-Yield Municipal                                  Fund Profile


6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $5,000. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may exchange  your shares in  California  High-Yield
    Municipal  for shares in nearly 70 other  mutual  funds  offered by American
    Century.  Depending  on the options  you select when you open your  account,
    some restrictions may apply. For your protection,  some redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    California  High-Yield  Municipal pays distributions of substantially all of
    its income monthly.  Distributions will generally be exempt from federal and
    California income taxes.  Some or all of the fund's income may, however,  be
    subject to the federal alternative minimum tax. Consult your tax advisor for
    information about whether you are subject to the federal alternative minimum
    tax. Distributions are reinvested  automatically in additional shares unless
    you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16988   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY
Fund Profile

[american century logo (reg. sm)]
American
Century

California Tax-Free Money Market Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA TAX-FREE MONEY MARKET FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  Tax-Free Money Market seeks safety of principal and high current
    income that is exempt from federal and California income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers buy high-quality,  cash-equivalent  securities with income
    payments exempt from federal and California income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    Additional  information about California Tax-Free Money Market's investments
    is available in its annual and semiannual reports. In these reports you will
    find a discussion of the market  conditions and investment  strategies  that
    significantly  affected the fund's performance during the most recent fiscal
    period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government  agency.  Although  the fund seeks to preserve  the value of your
    investment at $1.00 per share,  it is possible to lose money by investing in
    the fund.

    *  Because  cash-equivalent  securities  are  among  the  safest  securities
    available,  the  interest  they pay is among the  lowest  for  income-paying
    securities.  Accordingly,  the yield on this fund will  likely be lower than
    funds that invest in longer-term or lower-quality securities.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Tax-Free Money Market may have a higher level of risk than funds that invest
    in a larger universe of securities.

    FUND PERFORMANCE

    The following bar chart shows the actual performance of California  Tax-Free
    Money Market's shares for each of the last 10 calendar years.  The bar chart
    indicates the volatility of the fund's historical returns from year to year.
    The bar chart and the  performance  information  below are not  intended  to
    indicate how the fund will perform in the future.

[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     2.95%
       1997     3.19%
       1996     3.07%
       1995     3.41%
       1994     2.42%
       1993     2.03%
       1992     2.49%
       1991     3.81%
       1990     5.16%
       1989     5.71%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California Tax-Free Money Market's year-to-date return was 1.27%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Tax-Free
    Money Market              1.52% (2Q 1989)         0.44% (1Q 1994)


California Tax-Free Money Market                American Century Investments


    The following  table shows the average  annual  returns of the fund's shares
    for the periods  indicated.  The Lipper  California  Tax-Exempt Money Market
    Average, an unmanaged index that reflects no operating costs, is included as
    a  benchmark   for   performance   comparisons.   For  current   performance
    information, including yields, please call us or access our Web site.

                                    1 YEAR   5 YEARS   10 YEARS  LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
      California Tax-Free
        Money Market                 2.67%    3.06%     3.25%        3.75%
      Lipper California Tax-Exempt
        Money Market Average         2.46%    2.90%     3.21%        3.86%(2)

        (1) The inception date for California  Tax-Free Money Market is November
        9, 1983.

        (2) Benchmark from November 30, 1983.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
         Management Fee                              0.50%(1)
         Distribution and Service (12b-1) Fees       None
         Other Expenses(2)                           0.00%
         Total Annual Fund Operating Expenses        0.50%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2) Other  expenses,  which  include the fees and expenses of the fund's
        independent trustees,  their legal counsel and interest,  were less than
        0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

               1 year       3 years     5 years       10 years
                $51          $160        $279           $627

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager who leads the team that manages California Tax-Free Money Market:

    TODD PARDULA, Vice President and Portfolio Manager, has been a member of the
    California  Tax-Free  Money Market team since May 1994.  He joined  American
    Century in 1990.  He has a  bachelor's  degree in finance  from Santa  Clara
    University and is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $2,500. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.


California Tax-Free Money Market                                 Fund Profile


7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling  us. You also may  exchange  your shares in  California  Tax-Free
    Money Market for shares in nearly 70 other mutual funds  offered by American
    Century.  Depending  on the options  you select when you open your  account,
    some restrictions may apply. For your protection,  some redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Dividends  are declared and available for  redemption  daily.  Distributions
    will  generally  be  exempt  from  federal  and  California   income  taxes.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16982   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century brokerage logo (reg. sm)]
American
Century
- ---------
Brokerage
- ---------

California Tax-Free Money Market Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-888-345-2071, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA TAX-FREE MONEY MARKET FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  Tax-Free Money Market seeks safety of principal and high current
    income that is exempt from California and federal income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers buy high-quality,  cash-equivalent  securities with income
    payments exempt from California and federal income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    Additional  information about California Tax-Free Money Market's investments
    is available in its annual and  semi-annual  reports.  In these  reports you
    will find a discussion of the market  conditions and  investment  strategies
    that  significantly  affected the fund's  performance during the most recent
    fiscal period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government  agency.  Although  the fund seeks to preserve  the value of your
    investment at $1.00 per share,  it is possible to lose money by investing in
    the fund.

    *  Because  cash-equivalent  securities  are  among  the  safest  securities
    available,  the  interest  they pay is among the  lowest  for  income-paying
    securities.  Accordingly,  the yield on this fund will  likely be lower than
    funds that invest in longer-term or lower-quality securities.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Tax-Free Money Market may have a higher level of risk than funds that invest
    in a larger universe of securities.

    FUND PERFORMANCE

    The following bar chart shows the actual performance of California  Tax-Free
    Money Market's shares for each of the last 10 calendar years.  The bar chart
    indicates the volatility of the fund's historical returns from year to year.
    The bar chart and the  performance  information  below are not  intended  to
    indicate how the fund will perform in the future.

[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     2.95%
       1997     3.19%
       1996     3.07%
       1995     3.41%
       1994     2.42%
       1993     2.03%
       1992     2.49%
       1991     3.81%
       1990     5.16%
       1989     5.71%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California Tax-Free Money Market's year-to-date return was 1.27%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Tax-Free
    Money Market              1.52% (2Q 1989)         0.44% (1Q 1994)


California Tax-Free Money Market              American Century Investments


    The following table shows the average annual return of the fund's shares for
    the  periods  indicated.  The  Lipper  California  Tax-Exempt  Money  Market
    Average, an unmanaged index that reflects no operating costs, is included as
    a  benchmark   for   performance   comparisons.   For  current   performance
    information, including yields, please call us or access our Web site.

                                    1 YEAR   5 YEARS  10 YEARS  LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
      California Tax-Free
        Money Market                2.67%     3.06%     3.25%      3.75%
      Lipper California Tax-Exempt
        Money Market Average        2.46%     2.90%     3.21%      3.86%(2)

        (1) The inception date for California  Tax-Free Money Market is November
        9, 1983.

        (2) Benchmark from November 30, 1983.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
         Management Fee                              0.50%(1)
         Distribution and Service (12b-1) Fees       None
         Other Expenses(2)                           0.00%
         Total Annual Fund Operating Expenses        0.50%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2) Other  expenses,  which  include the fees and expenses of the fund's
        independent trustees,  their legal counsel and interest,  were less than
        0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

               1 year       3 years     5 years       10 years
                $51          $160        $279           $627

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager who leads the team that manages California Tax-Free Money Market:

    TODD PARDULA, Vice President and Portfolio Manager, has been a member of the
    California  Tax-Free  Money Market team since May 1994.  He joined  American
    Century in 1990.  He has a  bachelor's  degree in finance  from Santa  Clara
    University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    American Century Brokerage offers several ways to purchase shares

    * Complete  and  return the  enclosed  brokerage  application  along with an
    investment check payable to American Century Brokerage

    * Call us and send your investment by bank wire transfer

    * If you already have an American Century Brokerage account,  simply contact
    us by writing, calling or accessing our Web site

    Your initial  investment in your brokerage  account must be at least $2,500.
    If your redemption  activity  causes the value of your brokerage  account to
    fall below this account minimum, your shares may be redeemed involuntarily.


California Tax-Free Money Market                               Fund Profile


7. HOW DO I SELL FUND SHARES?

    The most  convenient  way for you to sell money  market  fund shares in your
    brokerage  account is to use our  CheckWriting  feature.  If you do not have
    checks, you can call us during business hours or send us a letter requesting
    a redemption check or bank wire. Bank wires require a minimum  redemption of
    $1,000  and a $20 fee  applies.  In  addition,  we will  automatically  sell
    sufficient shares in California  Tax-Free Money Market when you direct us to
    make other investments in your brokerage account.

    Depending  on the  options  you  select  when you open  your  account,  some
    restrictions may apply. For your  protection,  some redemption  requests may
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Dividends  are declared and available for  redemption  daily.  Distributions
    will  generally  be  exempt  from   California  and  federal  income  taxes.
    Distributions  are reinvested  automatically in additional shares unless you
    choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century  Brokerage offers several ways to make it easier for you to
    manage your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  TeleSelect Automated Information and Trading Line transactions

    *  24-hour online Internet account access and transactions

    You  will  find  more  information  about  these  choices  in our  Brokerage
    Information Kit, which you may request by calling us, accessing our Web site
    or visiting one of our Investor Centers.

- --------------------------------------------------------------------------------
[american century brokerage logo (reg. sm)]
American
Century
- ---------
Brokerage
- ---------

AMERICAN CENTURY BROKERAGE, INC.
P.O. BOX 419146
KANSAS CITY, MISSOURI 64141-6146

BROKERAGE ASSOCIATE
1-888-345-2071

TELESELECT AUTOMATED INFORMATION
AND TRADING LINE
1-888-345-2091

FAX
650-967-9627

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113

SEP-IRA SERVICES
1-800-345-3533, ext. 4210

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

BK-PRF-16983   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY
Fund Profile

[american century logo (reg. sm)]
American
Century

California Limited-Term Tax-Free Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA LIMITED-TERM TAX-FREE FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  Limited-Term Tax-Free seeks safety of principal and high current
    income that is exempt from federal and California income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  buy  quality,  short-term  debt  securities  with income
    payments exempt from federal and California income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    The fund may also use futures contracts and options to pursue its investment
    objective.

    During  unusual  market  conditions,   the  fund  is  permitted  to  keep  a
    significant amount of its assets in cash or cash-equivalents. If it does, it
    may not achieve its investment objective and may generate taxable income.

    The  weighted  average  maturity of the fund is expected to be five years or
    less.

    Additional information about California  Limited-Term Tax-Free's investments
    is available in its annual and semiannual reports. In these reports you will
    find a discussion of the market  conditions and investment  strategies  that
    significantly  affected the fund's performance during the most recent fiscal
    period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. The interest rate risk for
    California  Limited-Term Tax-Free is higher than for funds that have shorter
    weighted average maturities, such as money market funds.

    * The fund may invest in  securities  rated in the lowest  investment  grade
    category (e.g.,  Baa or BBB category).  The issuers of these  securities are
    more likely to have problems making interest and principal payments.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Limited-Term Tax-Free may have a higher level of risk than funds that invest
    in a larger universe of securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    California  Limited-Term  Tax-Free  may be worth more or less than the price
    you paid.  If you sell your shares when the value is less than the price you
    paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary,  California  Limited-Term Tax-Free is intended for investors who
    seek safety of principal and high current income that is exempt from federal
    and California income taxes through a municipal securities fund, and who are
    willing to accept the risks associated with the fund's investment strategy

    FUND PERFORMANCE

    The  following  bar  chart  shows  the  actual   performance  of  California
    Limited-Term  Tax-Free's  shares  for each  calendar  year  since the fund's
    inception on June 1, 1992.  The bar chart  indicates  the  volatility of the
    fund's  historical  returns  from  year  to  year.  The  bar  chart  and the
    performance information below are not intended to indicate how the fund will
    perform in the future.


California Limited-Term Tax-Free              American Century Investments


[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     4.91%
       1997     5.34%
       1996     3.93%
       1995     8.32%
       1994    -0.61%
       1993     5.92%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California Limited-Term Tax-Free's year-to-date return was 0.23%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Limited-Term
    Tax-Free                  2.99% (1Q 1995)         -1.35% (1Q 1994)

    The following  table shows the average  annual  returns of the fund's shares
    for the periods  indicated.  The Lehman  3-Year  Municipal  Bond  Index,  an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons.

                                 1 YEAR         5 YEARS        LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
         California Limited-Term
           Tax-Free               3.18%          4.55%             4.51%
         Lehman 3-Year
           Municipal Bond Index   3.66%          5.10%             5.07%

        (1) The inception date for California  Limited-Term  Tax-Free is June 1,
        1992.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
         Management Fee                              0.51%(1)
         Distribution and Service (12b-1) Fees       None
         Other Expenses(2)                           0.01%
         Total Annual Fund Operating Expenses        0.52%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2)  Other  expenses  include  the  fees  and  expenses  of  the  fund's
        independent trustees, their legal counsel and interest.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

                1 year       3 years     5 years       10 years
                 $53          $167        $290           $652

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage its mutual  funds.  Identified  below are the  portfolio
    managers who lead the team that manages California Limited-Term Tax-Free:

    TODD PARDULA, Vice President and Portfolio Manager, has been a member of the
    California  Limited-Term  Tax-Free team since June 1999. He joined  American
    Century in 1990.  He has a  bachelor's  degree in finance  from Santa  Clara
    University and is a Chartered Financial Analyst.

    G. DAVID MACEWEN,  Senior Vice President and Portfolio  Manager,  has been a
    member of the  California  Limited-Term  Tax-Free  team since June 1999.  He
    joined  American  Century in 1991.  He has a bachelor's  degree in economics
    from  Boston  University  and an MBA  in  finance  from  the  University  of
    Delaware.


California Limited-Term Tax-Free                               Fund Profile


6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $5,000. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may exchange your shares in California  Limited-Term
    Tax-Free  for shares in nearly 70 other  mutual  funds  offered by  American
    Century.  Depending  on the options  you select when you open your  account,
    some restrictions may apply. For your protection,  some redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    California  Limited-Term Tax-Free pays distributions of substantially all of
    its income monthly.  Distributions will generally be exempt from federal and
    California  income taxes.  Distributions  are  reinvested  automatically  in
    additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16985   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY
Fund Profile

[american century logo (reg. sm)]
American
Century

California Intermediate-Term Tax-Free Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA INTERMEDIATE-TERM TAX-FREE FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  Intermediate-Term  Tax-Free  seeks safety of principal  and high
    current income that is exempt from federal and California income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers buy quality, intermediate-term debt securities with income
    payments exempt from federal and California income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    The fund may also use futures contracts and options to pursue its investment
    objective.

    During  unusual  market  conditions,   the  fund  is  permitted  to  keep  a
    significant amount of its assets in cash or cash-  equivalents.  If it does,
    it may not achieve its investment objective and may generate taxable income.

    The weighted average maturity of the fund is expected to be between five and
    10 years.

    Additional   information  about  California   Intermediate-Term   Tax-Free's
    investments  is available  in its annual and  semiannual  reports.  In these
    reports you will find a discussion of the market  conditions  and investment
    strategies that  significantly  affected the fund's  performance  during the
    most recent fiscal  period.  You may get these reports at no cost by calling
    us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. The interest rate risk for
    California  Intermediate-Term  Tax-Free  is higher  than for funds that have
    shorter  weighted  average  maturities,  such as money market and short-term
    bond funds.

    * The fund may invest in  securities  rated in the lowest  investment  grade
    category (e.g.,  Baa or BBB category).  The issuers of these  securities are
    more likely to have problems making interest and principal payments.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Intermediate-Term  Tax-Free  may have a higher level of risk than funds that
    invest in a larger universe of securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    California  Intermediate-Term  Tax-Free  may be worth  more or less than the
    price you  paid.  If you sell  your  shares  when the value is less than the
    price you paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary, California  Intermediate-Term Tax-Free is intended for investors
    who seek safety of  principal  and high  current  income that is exempt from
    federal and California income taxes through a municipal securities fund, and
    who are willing to accept the risks  associated  with the fund's  investment
    strategy.

    FUND PERFORMANCE

    The  following  bar  chart  shows  the  actual   performance  of  California
    Intermediate-Term  Tax-Free's shares for each of the last 10 calendar years.
    The bar chart indicates the volatility of the fund's historical returns from
    year to year. The bar chart and the  performance  information  below are not
    intended to indicate how the fund will perform in the future.


California Intermediate-Term Tax-Free             American Century Investments



[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     5.59%
       1997     7.45%
       1996     4.25%
       1995    13.52%
       1994    -3.72%
       1993    10.69%
       1992     7.09%
       1991    10.38%
       1990     6.99%
       1989     7.94%

    (1) As of June  30,  1999,  the end of the  most  recent  calendar  quarter,
    California Intermediate-Term Tax-Free's year-to-date return was -1.24%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Intermediate-
       Term Tax-Free          5.25% (1Q 1995)         -3.98% (1Q 1994)

    The following table shows the average annual returns of the fund's shares
    for the periods indicated. The Lehman  5-Year General Obligation Bond Index,
    an  unmanaged  index that  reflects  no  operating  costs,  is included as a
    benchmark for performance comparisons.

                                  1 YEAR   5 YEARS   10 YEARS   LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
       California Intermediate-
         Term Tax-Free            2.29%    5.70%      6.37%         6.60%
       Lehman 5-Year General
         Obligation Bond Index    3.42%    5.72%      6.51%         7.27%(2)

        (1) The  inception  date for  California  Intermediate-Term  Tax-Free is
        November 9, 1983.

        (2) Benchmark from November 30, 1983.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
         Management Fee                              0.51%(1)
         Distribution and Service (12b-1) Fees       None
         Other Expenses(2)                           0.00%
         Total Annual Fund Operating Expenses        0.51%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2) Other  expenses,  which  include the fees and expenses of the fund's
        independent trustees,  their legal counsel and interest,  were less than
        0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

                1 year       3 years     5 years       10 years
                 $52          $163        $285           $640

               Of course,  actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager  who  leads  the  team  that  manages  California  Intermediate-Term
    Tax-Free:

    COLLEEN M.  DENZLER,  Vice  President,  Portfolio  Manager  and  Director of
    Fixed-Income  Investment  Liaison,  has  been a  member  of  the  California
    Intermediate-Term  Tax-Free  team  since  January  1996.  Prior  to  joining
    American  Century,  she was a Portfolio  Manager with  Calvert  Group for 10
    years,  specializing in state  tax-exempt  portfolios.  She has a bachelor's
    degree in finance  from  Radford  University  and is a  Chartered  Financial
    Analyst.


California Intermediate-Term Tax-Free                          Fund Profile


6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $5,000. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or  calling  us.  You  also  may   exchange   your   shares  in   California
    Intermediate-Term  Tax-Free  for  shares  in nearly  70 other  mutual  funds
    offered by American  Century.  Depending  on the options you select when you
    open your account,  some  restrictions may apply. For your protection,  some
    redemption requests require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    California  Intermediate-Term  Tax-Free pays  distributions of substantially
    all of its income  monthly.  Distributions  will  generally  be exempt  from
    federal  and   California   income  taxes.   Distributions   are  reinvested
    automatically in additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American  Century  offers  several  ways to make it easier for you to manage
    your account, such as:

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16986   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo (reg. sm)]
American
Century

California Long-Term Tax-Free Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA LONG-TERM TAX-FREE FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  Long-Term  Tax-Free  seeks safety of principal  and high current
    income that is exempt from federal and California income taxes.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  buy  quality,  long-term  debt  securities  with  income
    payments exempt from federal and California income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    The fund may also use futures contracts and options to pursue its investment
    objective.

    During  unusual  market  conditions,   the  fund  is  permitted  to  keep  a
    significant amount of its assets in cash or cash-  equivalents.  If it does,
    it may not achieve its investment objective and may generate taxable income.

    The  weighted  average  maturity  of the fund is  expected to be 10 years or
    longer.

    Additional  information about California Long-Term Tax-Free's investments is
    available in its annual and  semiannual  reports.  In these reports you will
    find a discussion of the market  conditions and investment  strategies  that
    significantly  affected the fund's performance during the most recent fiscal
    period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. The interest rate risk for
    California  Long-Term  Tax-Free is higher  than for funds that have  shorter
    weighted  average  maturities,  such as  money  market  and  short-term  and
    intermediate-term bond funds.

    * The fund may invest in  securities  rated in the lowest  investment  grade
    category (e.g.,  Baa or BBB category).  The issuers of these  securities are
    more likely to have problems making interest and principal payments.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Long-Term Tax-Free may have a higher level of risk than funds that invest in
    a larger universe of securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    California  Long-Term  Tax-Free may be worth more or less than the price you
    paid.  If you sell  your  shares  when the  value is less than the price you
    paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary, California Long-Term Tax-Free is intended for investors who seek
    safety of principal and high current  income that is exempt from federal and
    California  income taxes through a municipal  securities  fund,  and who are
    willing to accept the risks associated with the fund's investment strategy.


California Long-Term Tax-Free                    American Century Investments


    FUND PERFORMANCE

    The following bar chart shows the actual performance of California Long-Term
    Tax-Free's  shares  for each of the last 10  calendar  years.  The bar chart
    indicates the volatility of the fund's historical returns from year to year.
    The bar chart and the  performance  information  below are not  intended  to
    indicate how the fund will perform in the future.

[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     6.31%
       1997     9.74%
       1996     3.59%
       1995    19.80%
       1994    -6.51%
       1993    13.74%
       1992     8.15%
       1991    11.80%
       1990     6.60%
       1989     9.76%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California Long-Term Tax-Free's year-to-date return was -2.08%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Long-Term
    Tax-Free                  7.13% (1Q 1995)         -5.71% (1Q 1994)

    The following  table shows the average  annual  returns of the fund's shares
    for the periods  indicated.  The Lehman  Long-Term  Municipal Bond Index, an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons.

                               1 YEAR    5 YEARS   10 YEARS     LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
       California Long-Term
         Tax-Free               1.61%     6.91%      7.18%         8.02%
       Lehman Long-Term
         Municipal Bond Index   1.98%     8.12%      8.13%        10.03%(2)

        (1) The inception date for California  Long-Term Tax-Free is November 9,
        1983.

        (2) Benchmark from November 30, 1983.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
         Management Fee                              0.51%(1)
         Distribution and Service (12b-1) Fees       None
         Other Expenses(2)                           0.00%
         Total Annual Fund Operating Expenses        0.51%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2) Other  expenses,  which  include the fees and expenses of the fund's
        independent trustees,  their legal counsel and interest,  were less than
        0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

                1 year       3 years     5 years       10 years
                 $52          $163        $285           $640

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.


California Long-Term Tax-Free                              Fund Profile


5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager who leads the team that manages California Long-Term Tax-Free:

    G. DAVID MACEWEN,  Senior Vice President and Portfolio  Manager,  has been a
    member of the California  Long-Term  Tax-Free team since May 1991. He joined
    American  Century in 1991.  He has a  bachelor's  degree in  economics  from
    Boston University and an MBA in finance from the University of Delaware.

6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $5,000. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling us. You also may  exchange  your shares in  California  Long-Term
    Tax-Free  for shares in nearly 70 other  mutual  funds  offered by  American
    Century.  Depending  on the options  you select when you open your  account,
    some restrictions may apply. For your protection,  some redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    California Long-Term Tax-Free pays distributions of substantially all of its
    income  monthly.  Distributions  will  generally  be exempt from federal and
    California  income taxes.  Distributions  are  reinvested  automatically  in
    additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier  for you to manage
    your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16987   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

[american century logo (reg. sm)]
American
Century

California Insured Tax-Free Fund

 This profile  summarizes key information about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes additional information about
    the fund, including a more detailed description of the risks associated with
         investing in the fund, that you may want to consider before you invest.

                [three photos of bubble blowing woman and child,
                        business men, woman at computer]

                                                                   JULY 26, 1999
                                                                  INVESTOR CLASS

 You may obtain the Prospectus and other  information  about the fund at no cost
  by calling us at 1-800-345-2021, accessing our Web site or visiting one of our
   Investor Centers. See the back cover for additional telephone numbers and our
                                                                        address.




CALIFORNIA INSURED TAX-FREE FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    California  Insured  Tax-Free  seeks  safety of  principal  and high current
    income  that is exempt from  federal and  California  income  taxes  through
    investment in insured California municipal securities.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers buy quality, long-term insured debt securities with income
    payments exempt from federal and California income taxes.  Cities,  counties
    and other  municipalities  in California  usually issue these securities for
    public projects.

    The fund's investments are insured. This is significant because

    * the  credit  risk is less than for funds  that  invest in  long-term  debt
    securities without insurance

    *  potential  income is lower than for funds that invest in  long-term  debt
    securities without insurance

    A debt  security's  insurance  cannot be cancelled  and it  guarantees  that
    interest and other payments will be made as scheduled.

    The  weighted  average  maturity  of the fund is  expected to be 10 years or
    longer.

    The fund also may use futures contracts and options to pursue its investment
    objective.

    During  unusual  market  conditions,   the  fund  is  permitted  to  keep  a
    significant amount of its assets in cash or cash-  equivalents.  If it does,
    it may not achieve its investment objective and may generate taxable income.

    Additional  information about California Insured  Tax-Free's  investments is
    available in its annual and  semiannual  reports.  In these reports you will
    find a discussion of the market  conditions and investment  strategies  that
    significantly  affected the fund's performance during the most recent fiscal
    period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    * When  interest  rates  change,  the fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's share value will decline.
    The opposite is true when interest rates decline. The interest rate risk for
    California  Insured  Tax-Free  is higher  than for funds  that have  shorter
    weighted  average  maturities,  such as  money  market  and  short-term  and
    intermediate-term bond funds.

    * Because the fund invests primarily in California municipal securities,  it
    will be sensitive  to events that affect  California's  economy.  California
    Insured Tax-Free may have a higher level of risk than funds that invest in a
    larger universe of securities.

    * As with  all  funds,  at any  given  time  the  value  of your  shares  of
    California  Insured  Tax-Free  may be worth  more or less than the price you
    paid.  If you sell  your  shares  when the  value is less than the price you
    paid, you will lose money.

    * An investment in the fund is not a bank deposit,  and it is not insured or
    guaranteed by the Federal Deposit Insurance  Corporation (FDIC) or any other
    government agency.

    In summary,  California  Insured Tax-Free is intended for investors who seek
    safety of principal and high current  income that is exempt from federal and
    California  income taxes through a municipal  securities  fund,  and who are
    willing to accept the risks associated with the fund's investment strategy.


California Insured Tax-Free                       American Century Investments


    FUND PERFORMANCE

    The following bar chart shows the actual  performance of California  Insured
    Tax-Free's  shares  for each of the last 10  calendar  years.  The bar chart
    indicates the volatility of the fund's historical returns from year to year.
    The bar chart and the  performance  information  below are not  intended  to
    indicate how the fund will perform in the future.

[data shown in bar chart]
   Calendar Year-By-Year Returns (1)
       1998     6.09%
       1997     9.34%
       1996     3.70%
       1995    19.03%
       1994    -6.55%
       1993    13.45%
       1992     9.19%
       1991    11.27%
       1990     6.76%
       1989    10.31%

          (1) As of June 30, 1999, the end of the most recent calendar  quarter,
          California Insured Tax-Free's year-to-date return was -2.16%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    California Insured
       Tax-Free               7.00% (1Q 1995)         -6.68% (1Q 1994)

    The following  table shows the average  annual  returns of the fund's shares
    for the periods  indicated.  The Lehman  Long-Term  Municipal Bond Index, an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons.

                                1 YEAR    5 YEARS   10 YEARS   LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
       California Insured
         Tax-Free               1.50%      6.85%     7.02%        6.51%
       Lehman Long-Term
         Municipal Bond Index   1.98%      8.12%     8.13%        8.20%

        (1) The inception date for California  Insured  Tax-Free is December 30,
        1986.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

    There are no sales loads, fees or other charges

    * to buy fund shares directly from American Century

    * to reinvest dividends in additional shares

    * to exchange into the Investor Class shares of other American Century funds

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     ---------------------------------------------
        Management Fee                               0.51%(1)
        Distribution and Service (12b-1) Fees        None
        Other Expenses(2)                            0.00%
        Total Annual Fund Operating Expenses         0.51%

        (1) Based on expenses  incurred  during the fund's  most  recent  fiscal
        year.  The fund has a stepped  fee  schedule.  As a result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2) Other  expenses,  which  include the fees and expenses of the fund's
        independent trustees,  their legal counsel and interest,  were less than
        0.005% for the most recent fiscal year.

           EXAMPLE
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as shown above
             . . . your cost of investing in the fund would be:

                1 year       3 years     5 years       10 years
                 $52          $163        $285           $640

              Of course,  actual costs may be higher or lower.  Use this example
              to compare the costs of investing in other funds.


California Insured Tax-Free                                     Fund Profile


5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

    American Century Investment  Management,  Inc. provides  investment advisory
    and  management  services  for the  fund.  American  Century  uses  teams of
    portfolio  managers,  assistant  portfolio  managers  and  analysts  working
    together  to manage  its mutual  funds.  Identified  below is the  portfolio
    manager who leads the team that manages California Insured Tax-Free:

    G. DAVID MACEWEN,  Senior Vice President and Portfolio  Manager,  has been a
    member of the  California  Insured  Tax-Free  team since May 1991. He joined
    American  Century in 1991.  He has a  bachelor's  degree in  economics  from
    Boston University and an MBA in finance from the University of Delaware.

6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

    Your initial investment must be at least $5,000. If your redemption activity
    causes the value of your  account to fall below this account  minimum,  your
    shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

    You may sell all or part of your fund shares on any  business day by writing
    or calling  us. You also may  exchange  your  shares in  California  Insured
    Tax-Free  for shares in nearly 70 other  mutual  funds  offered by  American
    Century.  Depending  on the options  you select when you open your  account,
    some restrictions may apply. For your protection,  some redemption  requests
    require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    California  Insured Tax-Free pays  distributions of substantially all of its
    income  monthly.  Distributions  will  generally  be exempt from federal and
    California  income taxes.  Distributions  are  reinvested  automatically  in
    additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

    American Century offers several ways to make it easier for you to manage
    your account, such as

    *  telephone transactions

    *  wire and electronic funds transfers

    *  24-hour Automated Information Line transactions

    *  24-hour online Internet account access and transactions

    You will find more information about these choices in Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or financial intermediary.

    If  you  own  or  are   considering   purchasing   fund  shares  through  an
    employer-sponsored  retirement plan or financial intermediary,  your ability
    to purchase  shares of the fund,  exchange them for shares of other American
    Century  funds,  and  redeem  them will  depend on the terms of your plan or
    financial  intermediary.  If  you  have  questions  about  investing  in  an
    employer-sponsored retirement plan or through a financial intermediary, call
    a Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo (reg. sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

INVESTOR RELATIONS
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at   WWW.AMERICANCENTURY.COM  [link to web site with arrow]

SH-PRF-16989   9907                                   Funds Distributor, Inc.


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