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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 13
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070 D010500 N
070 D020500 N
070 E010500 Y
070 E020500 N
070 F010500 N
070 F020500 N
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070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 Y
070 J020500 Y
070 K010500 Y
070 K020500 N
070 L010500 N
070 L020500 N
070 M010500 N
070 M020500 N
070 N010500 N
070 N020500 N
070 O010500 N
070 O020500 N
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<PAGE> PAGE 21
070 P020500 Y
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
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072 A000500 6
072 B000500 9684
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072EE000500 0
073 A010500 0.2500
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<PAGE> PAGE 22
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028 A010600 2752
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<PAGE> PAGE 23
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028 G010600 37056
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064 A000600 Y
064 B000600 N
070 A010600 N
070 A020600 N
070 B010600 N
070 B020600 N
070 C010600 Y
070 C020600 N
070 D010600 N
070 D020600 N
070 E010600 Y
070 E020600 N
070 F010600 N
070 F020600 N
070 G010600 Y
070 G020600 N
070 H010600 N
070 H020600 N
070 I010600 N
070 I020600 N
<PAGE> PAGE 24
070 J010600 Y
070 J020600 N
070 K010600 Y
070 K020600 N
070 L010600 N
070 L020600 N
070 M010600 N
070 M020600 N
070 N010600 N
070 N020600 N
070 O010600 N
070 O020600 N
070 P010600 Y
070 P020600 Y
070 Q010600 N
070 Q020600 N
070 R010600 N
070 R020600 N
071 A000600 8934
071 B000600 21577
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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070 B010700 N
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<PAGE> PAGE 27
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070 D010700 N
070 D020700 N
070 E010700 Y
070 E020700 N
070 F010700 N
070 F020700 N
070 G010700 Y
070 G020700 N
070 H010700 N
070 H020700 N
070 I010700 N
070 I020700 N
070 J010700 Y
070 J020700 N
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070 K020700 N
070 L010700 N
070 L020700 N
070 M010700 N
070 M020700 N
070 N010700 N
070 N020700 N
070 O010700 N
070 O020700 N
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070 P020700 Y
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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SIGNATURE MARYANNE ROEPKE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 11
<NAME> CALIFORNIA TAX-FREE MONEY MARKET
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<PERIOD-TYPE> YEAR
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<PERIOD-END> FEB-29-2000
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<RECEIVABLES> 0
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<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,496,927
<TOTAL-LIABILITIES> 1,496,927
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 595,736,009
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<SHARES-COMMON-PRIOR> 452,066,287
<ACCUMULATED-NII-CURRENT> 275,802
<OVERDISTRIBUTION-NII> 0
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<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 595,726,500
<DIVIDEND-INCOME> 0
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<OTHER-INCOME> 0
<EXPENSES-NET> 1,407,062
<NET-INVESTMENT-INCOME> 7,762,861
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<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 369,010,685
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<PER-SHARE-NII> 0.01
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.49
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 21
<NAME> CALIFORNIA MUNICIPAL MONEY MARKET
<S> <C>
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<PERIOD-END> FEB-29-2000
<INVESTMENTS-AT-COST> 189,139,100
<INVESTMENTS-AT-VALUE> 189,139,100
<RECEIVABLES> 1,437,923
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 194,579,174
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 77,127
<TOTAL-LIABILITIES> 77,127
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 194,537,655
<SHARES-COMMON-STOCK> 194,537,655
<SHARES-COMMON-PRIOR> 177,056,747
<ACCUMULATED-NII-CURRENT> 122,436
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (158,044)
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<ACCUM-APPREC-OR-DEPREC> 0
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<NET-INVESTMENT-INCOME> 2,878,661
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<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 127,030,148
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<SHARES-REINVESTED> 2,436,222
<NET-CHANGE-IN-ASSETS> 14,517,468
<ACCUMULATED-NII-PRIOR> 0
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<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.01
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<EXPENSE-RATIO> 0.49
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 31
<NAME> CALIFORNIA INTERMEDIATE-TERM TAX-FREE FUND
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<ACCUMULATED-NII-CURRENT> (3,171,891)
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<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
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<DISTRIBUTIONS-OF-INCOME> 10,266,369
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<NUMBER-OF-SHARES-SOLD> 135,531,360
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<SHARES-REINVESTED> 7,283,428
<NET-CHANGE-IN-ASSETS> (27,813,339)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 882,880
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<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,128,968
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,135,503
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<PER-SHARE-NAV-BEGIN> 10.85
<PER-SHARE-NII> 0.25
<PER-SHARE-GAIN-APPREC> (0.15)
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.25
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.70
<EXPENSE-RATIO> 0.51
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 41
<NAME> CALIFORNIA LONG-TERM TAX-FREE FUND
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<ACCUM-APPREC-OR-DEPREC> 0
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<NET-INVESTMENT-INCOME> 8,142,591
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<NET-CHANGE-FROM-OPS> (2,655,423)
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<DISTRIBUTIONS-OF-INCOME> 8,142,591
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 63,460,556
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<OVERDIST-NET-GAINS-PRIOR> 0
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 787,157
<AVERAGE-NET-ASSETS> 328,504,981
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<PER-SHARE-NII> 0.28
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<PER-SHARE-DISTRIBUTIONS> 0.28
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<PER-SHARE-NAV-END> 10.50
<EXPENSE-RATIO> 0.51
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 51
<NAME> CALIFORNIA HIGH-YIELD MUNICIPAL FUND
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<NET-INVESTMENT-INCOME> 8,832,761
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 61
<NAME> CALIFORNIA INSURED TAX-FREE FUND
<S> <C>
<PERIOD-TYPE> YEAR
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<PERIOD-END> FEB-29-2000
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<EXPENSE-RATIO> 0.51
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 71
<NAME> CALIFORNIA LIMITED-TERM TAX-FREE FUND
<S> <C>
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<PERIOD-END> FEB-29-2000
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</TABLE>
