<PAGE> PAGE 1
000 A000000 06/30/1999
000 C000000 908730
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 COLUMBIA NATIONAL MUNICIPAL BOND FUND, INC.
001 B000000 811-7832
001 C000000 5032223600
002 A000000 1301 SW FIFTH AVENUE
002 B000000 PORTLAND
002 C000000 OR
002 D010000 97201
003 000000 Y
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
008 A000001 COLUMBIA FUNDS MANAGEMENT COMPANY
008 B000001 A
008 C000001 801-16981
008 D010001 PORTLAND
008 D020001 OR
008 D030001 97201
011 A000001 PROVIDENT DISTRIBUTORS, INC.
011 B000001 8-46564
011 C010001 WEST CONSHOHOCKEN
011 C020001 PA
011 C030001 19428
011 C040001 2961
012 A000001 COLUMBIA TRUST COMPANY
012 B000001 84-01121
012 C010001 PORTLAND
012 C020001 OR
012 C030001 97201
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 PORTLAND
013 B020001 OR
013 B030001 97201
014 A000001 DELETE
014 A000002 DELETE
014 A000003 DELETE
015 A000001 U.S. BANK NATIONAL ASSOCIATION
015 B000001 C
015 C010001 PORTLAND
015 C020001 OR
015 C030001 97201
<PAGE> PAGE 2
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 13
019 C000000 COLUMBIAFD
022 A000001 BRADFORD (JC) & CO
022 B000001 620677497
022 C000001 2334
022 D000001 0
022 A000002 DAIN RAUSCHER WESSELS
022 B000002 410212020
022 C000002 2020
022 D000002 159
022 A000003 SEATTLE NORTHWEST SECURITIES
022 B000003 911172183
022 C000003 1411
022 D000003 0
022 A000004 SALOMON BROTHERS
022 B000004 133082694
022 C000004 422
022 D000004 0
022 A000005 SMITH BARNEY
022 B000005 131912900
022 C000005 400
022 D000005 0
022 A000006 CHARTER INVESTMENT GROUP
022 B000006 930683889
022 C000006 149
022 D000006 0
022 A000007 STOEVER GLASS & CO
022 B000007 132505863
022 C000007 109
022 D000007 0
022 A000008 FIRST ALBANY CORP
022 B000008 141391446
022 C000008 105
022 D000008 0
022 A000009 EDWARDS (AG) & SONS
022 B000009 430895447
022 C000009 99
022 D000009 0
022 A000010 BLAIR (WILLIAM) & CO
022 B000010 362214610
022 C000010 80
022 D000010 0
023 C000000 7128
023 D000000 159
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
<PAGE> PAGE 3
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
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 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 273
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 2885
028 C020000 7
028 C030000 0
028 C040000 7
028 D010000 310
028 D020000 10
028 D030000 0
028 D040000 19
028 E010000 1290
028 E020000 12
028 E030000 0
028 E040000 0
028 F010000 2382
028 F020000 17
028 F030000 0
028 F040000 3
028 G010000 7140
028 G020000 46
028 G030000 0
028 G040000 29
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
034 000000 N
035 000000 0
036 B000000 0
<PAGE> PAGE 4
037 000000 N
038 000000 0
039 000000 N
040 000000 N
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.500
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
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 0
048 K020000 0.000
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
<PAGE> PAGE 5
054 O000000 Y
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 N
060 B000000 N
061 000000 1000
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 10.6
062 M000000 0.0
062 N000000 0.0
062 O000000 97.3
062 P000000 0.0
062 Q000000 0.0
062 R000000 -7.9
063 A000000 0
063 B000000 11.0
064 A000000 N
064 B000000 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 N
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
<PAGE> PAGE 6
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 N
070 J020000 N
070 K010000 Y
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 7053
071 B000000 153
071 C000000 3521
071 D000000 4
072 A000000 5
072 B000000 58
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 7
072 G000000 0
072 H000000 9
072 I000000 0
072 J000000 1
072 K000000 0
072 L000000 0
072 M000000 0
072 N000000 5
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 9
072 S000000 0
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 0
072 X000000 33
072 Y000000 25
<PAGE> PAGE 7
072 Z000000 50
072AA000000 0
072BB000000 2
072CC010000 0
072CC020000 130
072DD010000 50
072DD020000 0
072EE000000 0
073 A010000 0.1329
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 0
074 C000000 743
074 D000000 6836
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 110
074 M000000 0
074 N000000 7689
074 O000000 642
074 P000000 0
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 21
074 S000000 0
074 T000000 7026
074 U010000 731
074 U020000 0
074 V010000 9.61
074 V020000 0.00
074 W000000 0.0000
074 X000000 67
074 Y000000 0
075 A000000 0
075 B000000 3722
076 000000 0.00
077 A000000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 C000000 15000
081 A000000 Y
081 B000000 16
<PAGE> PAGE 8
082 A000000 Y
082 B000000 100
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
SIGNATURE J. JERRY INSKEEP, JR.
TITLE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED SEMI-ANNUAL REPORT OF THE COLUMBIA FUNDS DATED JUNE 30, 1999,
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000908730
<NAME> COLUMBIA NATIONAL MUNICIPAL BOND FUND, INC.
<S> <C>
<PERIOD-TYPE> 5-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> FEB-10-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 6,964,961
<INVESTMENTS-AT-VALUE> 6,835,498
<RECEIVABLES> 110,322
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 742,957
<TOTAL-ASSETS> 7,688,777
<PAYABLE-FOR-SECURITIES> 641,518
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 20,919
<TOTAL-LIABILITIES> 662,437
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 7,157,610
<SHARES-COMMON-STOCK> 731,299
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1,807)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (129,463)
<NET-ASSETS> 7,026,340
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 58,179
<OTHER-INCOME> 0
<EXPENSES-NET> 8,521
<NET-INVESTMENT-INCOME> 49,658
<REALIZED-GAINS-CURRENT> (1,807)
<APPREC-INCREASE-CURRENT> (129,463)
<NET-CHANGE-FROM-OPS> (81,612)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 49,658
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 729,507
<NUMBER-OF-SHARES-REDEEMED> 2,911
<SHARES-REINVESTED> 4,703
<NET-CHANGE-IN-ASSETS> 7,026,340
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 6,555
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 8,521
<AVERAGE-NET-ASSETS> 3,722,259
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .13
<PER-SHARE-GAIN-APPREC> (.39)
<PER-SHARE-DIVIDEND> .13
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.61
<EXPENSE-RATIO> .65
</TABLE>