WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MORGAN STANLEY DEAN WITTER CALIFORNIA TAX-FREE INCOME FUND - CLASS A
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 740,739,880
<INVESTMENTS-AT-VALUE> 753,434,034
<RECEIVABLES> 11,174,405
<ASSETS-OTHER> 39,307
<OTHER-ITEMS-ASSETS> 330,668
<TOTAL-ASSETS> 764,978,414
<PAYABLE-FOR-SECURITIES> (13,238,030)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (1,152,966)
<TOTAL-LIABILITIES> (14,390,996)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 739,488,243
<SHARES-COMMON-STOCK> 815,815
<SHARES-COMMON-PRIOR> 535,720
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1,594,979)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 12,694,154
<NET-ASSETS> 9,759,838
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 21,606,043
<OTHER-INCOME> 0
<EXPENSES-NET> (3,653,503)
<NET-INVESTMENT-INCOME> 17,952,540
<REALIZED-GAINS-CURRENT> (40,426)
<APPREC-INCREASE-CURRENT> 19,080,149
<NET-CHANGE-FROM-OPS> 36,992,263
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (193,465)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 292,646
<NUMBER-OF-SHARES-REDEEMED> (22,409)
<SHARES-REINVESTED> 9,858
<NET-CHANGE-IN-ASSETS> (31,334,206)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,554,553)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (2,043,976)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (5,067,686)
<AVERAGE-NET-ASSETS> 8,006,063
<PER-SHARE-NAV-BEGIN> 11.67
<PER-SHARE-NII> 0.29
<PER-SHARE-GAIN-APPREC> 0.29
<PER-SHARE-DIVIDEND> (0.29)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.96
<EXPENSE-RATIO> 0.82
</TABLE>
