000 A000000 12/31/99
000 C000000 0000093621
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 ROCHESTER FUND MUNICIPALS
001 B000000 811-3614
001 C000000 8005521149
002 A000000 350 LINDEN OAKS
002 B000000 ROCHESTER
002 C000000 NY
002 D010000 14625
002 D020000 2807
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C011100 11
007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
008 A000001 OPPENHEIMERFUNDS, INC.
008 B000001 A
008 C000001 801-8253
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10048
008 D040001 0203
011 A000001 OPPENHEIMERFUNDS DISTRIBUTOR, INC.
<PAGE> PAGE 2
011 B000001 8-22992
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10048
011 C040001 0203
012 A000001 OPPENHEIMERFUNDS SERVICES
012 B000001 84-1562
012 C010001 DENVER
012 C020001 CO
012 C030001 80217
012 C040001 5270
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 DENVER
013 B020001 CO
013 B030001 80202
013 B040001 2872
015 A000001 CITIBANK NA
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10005
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 51
019 C000000 OPPENHEIMR
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
022 B000001 13-5674085
022 C000001 273194
022 D000001 402198
022 A000002 FIRST ALBANY CORP.
022 B000002 14-1391446
022 C000002 355782
022 D000002 158216
022 A000003 SALOMON SMITH BARNEY, INC.
022 B000003 11-2418191
022 C000003 188072
022 D000003 208508
022 A000004 ROOSEVELT & CROSS, INC.
022 B000004 13-2728032
<PAGE> PAGE 3
022 C000004 252631
022 D000004 9617
022 A000005 GOLDMAN, SACHS & CO.
022 B000005 13-5108880
022 C000005 125815
022 D000005 14771
022 A000006 MORGAN STANLEY DEAN WITTER & CO.
022 B000006 13-2655998
022 C000006 44166
022 D000006 83719
022 A000007 PAINEWEBBER, INC.
022 B000007 13-2638166
022 C000007 84765
022 D000007 33039
022 A000008 SIMON (WILLIAM E.) & SONS MUNICIPAL SECURITIE
022 B000008 22-3017217
022 C000008 104216
022 D000008 0
022 A000009 BEAR STEARNS & CO., INC.
022 B000009 13-3299429
022 C000009 78097
022 D000009 19046
022 A000010 LEHMAN BROTHERS INC.
022 B000010 13-2518466
022 C000010 57803
022 D000010 28296
023 C000000 1877907
023 D000000 1100703
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 Y
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 97946
028 A020000 11892
028 A030000 0
028 A040000 49289
<PAGE> PAGE 4
028 B010000 97629
028 B020000 12122
028 B030000 0
028 B040000 64407
028 C010000 65536
028 C020000 12222
028 C030000 0
028 C040000 67441
028 D010000 66253
028 D020000 12100
028 D030000 0
028 D040000 82082
028 E010000 59334
028 E020000 12180
028 E030000 0
028 E040000 99997
028 F010000 96801
028 F020000 11691
028 F030000 0
028 F040000 224890
028 G010000 483499
028 G020000 72207
028 G030000 0
028 G040000 588106
028 H000000 249912
029 000000 Y
030 A000000 15667
030 B000000 4.75
030 C000000 0.00
031 A000000 2235
031 B000000 0
032 000000 13432
033 000000 0
034 000000 Y
035 000000 2615
036 A000000 N
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 100
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 13756
<PAGE> PAGE 5
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 100000
048 A020000 0.540
048 B010000 150000
048 B020000 0.520
048 C010000 1750000
048 C020000 0.470
048 D010000 3000000
048 D020000 0.460
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 5000000
048 K020000 0.450
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 N
055 B000000 Y
056 000000 N
057 000000 N
<PAGE> PAGE 6
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 25
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 -2.7
062 M000000 0.0
062 N000000 0.0
062 O000000 102.7
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 23.1
064 A000000 Y
064 B000000 Y
065 000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
<PAGE> PAGE 7
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 Y
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 1930375
071 B000000 1337577
071 C000000 4451779
071 D000000 30
072 A000000 12
072 B000000 289084
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 20656
072 G000000 0
072 H000000 0
072 I000000 1864
072 J000000 256
072 K000000 268
072 L000000 329
072 M000000 522
072 N000000 219
072 O000000 0
072 P000000 1833
072 Q000000 1328
072 R000000 58
072 S000000 13
072 T000000 13756
072 U000000 0
072 V000000 0
072 W000000 266
072 X000000 41368
072 Y000000 0
072 Z000000 247716
072AA000000 19659
072BB000000 61262
072CC010000 0
<PAGE> PAGE 8
072CC020000 471101
072DD010000 204430
072DD020000 41315
072EE000000 0
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 4070
074 B000000 0
074 C000000 0
074 D000000 4292520
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 1450
074 K000000 0
074 L000000 81065
074 M000000 52
074 N000000 4379157
074 O000000 114441
074 P000000 0
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 83487
074 S000000 0
074 T000000 4181229
074 U010000 195978
074 U020000 53269
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
074 X000000 86358
074 Y000000 142406
075 A000000 0
075 B000000 4397967
076 000000 0.00
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
<PAGE> PAGE 9
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE CO.
080 C000000 92000
081 A000000 Y
081 B000000 96
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE BRIAN W. WIXTED
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000093621
<NAME> ROCHESTER FUND MUNICIPALS
<SERIES>
<NUMBER> 1
<NAME> CLASS A
<MULTIPLIER> 1
<CURRENCY> UDS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 4,516,970,748
<INVESTMENTS-AT-VALUE> 4,292,519,789
<RECEIVABLES> 82,514,990
<ASSETS-OTHER> 4,122,214
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 4,379,156,993
<PAYABLE-FOR-SECURITIES> 114,441,298
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 83,486,552
<TOTAL-LIABILITIES> 197,927,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,514,701,382
<SHARES-COMMON-STOCK> 195,977,917
<SHARES-COMMON-PRIOR> 182,640,976
<ACCUMULATED-NII-CURRENT> 1,944,562
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (110,965,842)
<ACCUM-APPREC-OR-DEPREC> (224,450,959)
<NET-ASSETS> 4,181,229,143
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 289,084,667
<OTHER-INCOME> 0
<EXPENSES-NET> 41,368,498
<NET-INVESTMENT-INCOME> 247,716,169
<REALIZED-GAINS-CURRENT> (41,602,735)
<APPREC-INCREASE-CURRENT> (471,101,165)
<NET-CHANGE-FROM-OPS> (264,987,731)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (204,429,524)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 44,147,686
<NUMBER-OF-SHARES-REDEEMED> (36,952,671)
<SHARES-REINVESTED> 6,141,926
<NET-CHANGE-IN-ASSETS> 78,552,131
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (26,371)
<OVERDIST-NET-GAINS-PRIOR> (69,363,107)
<GROSS-ADVISORY-FEES> 20,655,696
<INTEREST-EXPENSE> 1,832,697
<GROSS-EXPENSE> 41,521,774
<AVERAGE-NET-ASSETS> 4,397,967,321
<PER-SHARE-NAV-BEGIN> 18.81
<PER-SHARE-NII> 1.04
<PER-SHARE-GAIN-APPREC> (2.03)
<PER-SHARE-DIVIDEND> (1.04)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.78
<EXPENSE-RATIO> .77
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000093621
<NAME> ROCHESTER FUND MUNICIPALS
<SERIES>
<NUMBER> 2
<NAME> CLASS B
<MULTIPLIER> 1
<CURRENCY> UDS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 4,516,970,748
<INVESTMENTS-AT-VALUE> 4,292,519,789
<RECEIVABLES> 82,514,990
<ASSETS-OTHER> 4,122,214
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 4,379,156,993
<PAYABLE-FOR-SECURITIES> 114,441,298
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 83,486,552
<TOTAL-LIABILITIES> 197,927,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,514,701,382
<SHARES-COMMON-STOCK> 40,159,104
<SHARES-COMMON-PRIOR> 26,282,156
<ACCUMULATED-NII-CURRENT> 1,944,562
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (110,965,842)
<ACCUM-APPREC-OR-DEPREC> (224,450,959)
<NET-ASSETS> 4,181,229,143
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 289,084,667
<OTHER-INCOME> 0
<EXPENSES-NET> 41,368,498
<NET-INVESTMENT-INCOME> 247,716,169
<REALIZED-GAINS-CURRENT> (41,602,735)
<APPREC-INCREASE-CURRENT> (471,101,165)
<NET-CHANGE-FROM-OPS> (264,987,731)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (30,543,603)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 18,541,189
<NUMBER-OF-SHARES-REDEEMED> (5,768,976)
<SHARES-REINVESTED> 1,104,735
<NET-CHANGE-IN-ASSETS> 78,552,131
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (26,371)
<OVERDIST-NET-GAINS-PRIOR> (69,363,107)
<GROSS-ADVISORY-FEES> 20,655,696
<INTEREST-EXPENSE> 1,832,697
<GROSS-EXPENSE> 41,521,774
<AVERAGE-NET-ASSETS> 4,397,967,321
<PER-SHARE-NAV-BEGIN> 18.79
<PER-SHARE-NII> .89
<PER-SHARE-GAIN-APPREC> (2.03)
<PER-SHARE-DIVIDEND> (.88)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.77
<EXPENSE-RATIO> 1.64
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000093621
<NAME> ROCHESTER FUND MUNICIPALS
<SERIES>
<NUMBER> 3
<NAME> CLASS C
<MULTIPLIER> 1
<CURRENCY> UDS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 4,516,970,748
<INVESTMENTS-AT-VALUE> 4,292,519,789
<RECEIVABLES> 82,514,990
<ASSETS-OTHER> 4,122,214
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 4,379,156,993
<PAYABLE-FOR-SECURITIES> 114,441,298
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 83,486,552
<TOTAL-LIABILITIES> 197,927,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,514,701,382
<SHARES-COMMON-STOCK> 13,110,029
<SHARES-COMMON-PRIOR> 9,256,363
<ACCUMULATED-NII-CURRENT> 1,944,562
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (110,965,842)
<ACCUM-APPREC-OR-DEPREC> (224,450,959)
<NET-ASSETS> 4,181,229,143
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 289,084,667
<OTHER-INCOME> 0
<EXPENSES-NET> 41,368,498
<NET-INVESTMENT-INCOME> 247,716,169
<REALIZED-GAINS-CURRENT> (41,602,735)
<APPREC-INCREASE-CURRENT> (471,101,165)
<NET-CHANGE-FROM-OPS> (264,987,731)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (10,772,109)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,558,824
<NUMBER-OF-SHARES-REDEEMED> (4,122,846)
<SHARES-REINVESTED> 417,688
<NET-CHANGE-IN-ASSETS> 78,552,131
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (26,371)
<OVERDIST-NET-GAINS-PRIOR> (69,363,107)
<GROSS-ADVISORY-FEES> 20,655,696
<INTEREST-EXPENSE> 1,832,697
<GROSS-EXPENSE> 41,521,774
<AVERAGE-NET-ASSETS> 4,397,967,321
<PER-SHARE-NAV-BEGIN> 18.79
<PER-SHARE-NII> .89
<PER-SHARE-GAIN-APPREC> (2.04)
<PER-SHARE-DIVIDEND> (.88)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.76
<EXPENSE-RATIO> 1.63
</TABLE>
