497J 1 fmof.txt FEDERATED MUNICIPAL OPPORTUNITIES FUND, INC. 5800 Corporate Drive Pittsburgh, Pennsylvania 15237-7000 October 31, 2003 EDGAR Operations Branch Securities and Exchange Commission Division of Investment Management 450 Fifth Street, Northwest Washington, DC 20549 RE: FEDERATED MUNICIPAL OPPORTUNITIES FUND, INC. (the "Registrant") 1933 Act File No. 33-11410 1940 Act File No. 811-4533 Dear Sir or Madam: Pursuant to Rule 497(j) of the Securities Act of 1933, the above-referenced Fund hereby certifies that the definitive form of Prospectus and Statement of Additional Information dated October 31, 2003, that would have been filed under Rule 497(c), does not differ from the form of Prospectus and Statement of Additional Information contained in the most recent Registration Statement for the Fund. This Registration Statement was electronically filed under Rule 485(b) as Post-Effective amendment No. 28 on October 28, 2003. If you have any questions regarding this certification, please contact me at (412) 288-7268. Very truly yours, /s/ George F. Magera George F. Magera Assistant Secretary