Inland Northwest Bank, Fairfield Basic Info Reviews Routing Numbers Map & Direction Name: Inland Northwest Bank, Fairfield Main Office: No Service: Full Service Brick and Mortar Office Location: 213 Main Street Fairfield, Washington 99012 Spokane County View other branches Phone: 509-283-2126 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer125102430YN125108104YY From: To: