Putnam Investments
One Post Office Square
Boston, MA 02109
March 3, 2006

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC 20549

RE: Putnam Income Fund (Reg. Nos. (2-11147) (811-00653)
       Post-Effective Amendment No. 97 to Registration Statement on Form N-1A

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, the Fund hereby certifies that the form of Prospectus and Statement of Additional Information that would have been filed on behalf of the Fund pursuant to Rule 497(c) upon the effectiveness of Post-Effective Amendment No. 97 to the Fund’s Registration Statement on Form N-1A (the “Amendment”) would not have differed from that contained in the Amendment, which is the most recent amendment to such Registration Statement and was filed electronically on February 28, 2006.

Comments or questions concerning this certificate may be directed to Stephen M. Gianelli at 1-800-225-2465, ext. 11234.

Very truly yours,

Putnam Income Fund
By: /s/ Charles E. Porter
_______________________________________
Charles E. Porter
Executive Vice President, Associate Treasurer and
Principal Executive Officer

cc: Ropes & Gray