Found this on Google too =)!
Banking information:
All deposit accounts have been transferred to Washington Trust Bank of Spokane, WA assuming institution and will be available immediately. On Tuesday, February 17, 2009, the former Pinnacle Bank location will reopen as a branch of Washington Trust Bank, P.O. Box 2127, Spokane, WA 99210-2127, 800-788-4578
Formerly know as:
Pinnacle Bank Beaverton Branch