December 12, 2000
VIA EDGAR
Securities and Exchange Commission
OFICS Filer Support
Mail Stop 0-7, SEC Operations Center
6432 General Green Way
Alexandria, VA 22312
Re: Oppenheimer Insured Municipal Fund
Reg. No. 33-08054; File No. 811-4803
To the Securities and Exchange Commission:
An electronic ("EDGAR") filing is hereby made on behalf of
Oppenheimer Insured Municipal Fund (the "Registrant") pursuant to Rule 497 of
the Securities Act of 1933, as amended. Such filing includes a supplement to
the Fund"s prospectus dated January 28, 2000.
Any questions regarding this submission are to be directed to the
attention of the undersigned.
Very truly yours,
/s/ Deborah A. Sullivan
Deborah A. Sullivan
Assistant Vice President &
Assistant Counsel
(212) 323-0602
Enclosures
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OPPENHEIMER INSURED MUNICIPAL FUND
Supplement dated December 12, 2000 to the
Prospectus dated January 28, 2000
The Agreement and Plan of Reorganization between Oppenheimer Insured
Municipal Fund and Oppenheimer Municipal Bond Fund was approved by
shareholders of the Fund on December 11, 2000. Accordingly, shares of the
Fund are no longer available for purchase.
December 12, 2000 PSO865.015
