COLUMBIA FUNDS SERIES TRUST
                    REGISTRATION NOS. 333-89661; 811-09645

                             CERTIFICATE PURSUANT TO
                              17 C.F.R. 230.497(j)

            The undersigned hereby certifies on behalf of Columbia Funds Series
Trust (the "Trust") that the forms of Prospectuses for the Trust that would have
been filed pursuant to 17 C.F.R. 230.497(c) do not differ from the Prospectuses
contained in Post-Effective Amendment No. 46 under the 1933 Act and
Post-Effective Amendment No. 47 under the 1940 Act, the most recent amendment to
the Trust's Registration Statement on Form N-1A, the text of which was filed
electronically on July 31, 2006.

            IN WITNESS WHEREOF, the Trust has caused this certificate to be
executed on its behalf by the undersigned on the 29th day of August, 2006.

                                          COLUMBIA FUNDS SERIES TRUST


                                          /s/ Peter T. Fariel
                                          -------------------

                                          Peter T. Fariel
                                          Assistant Secretary