EXHIBIT 32.2

         Certification of Chief Financial Officer of FirstBank NW Corp.
     Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906
                        of the Sarbanes-Oxley Act of 2002


In connection with the accompanying Annual Report on Form 10-K of FirstBank NW
Corp. ("the Company") for the year ended March 31, 2006 (the "Report"), I, Larry
K. Moxley, Chief Financial Officer of the Company, hereby certify pursuant to 19
U.S.C. Section 1350, as adopted to Section 906 of the Sarbanes-Oxley Act of
2002, that:

         o        The Report fully complies with the requirements of Sections
                  13(a) and 15(d) of the Securities and Exchange Act of 1934, as
                  amended, and

         o        The information contained in the Report fairly presents, in
                  all material respects, the Company's financial condition and
                  results of operations.


/s/ LARRY K. MOXLEY
- ----------------------------------------
Larry K. Moxley, Chief Financial Officer

Dated: May 30, 2006