Westamerica Bank, Fairfield Branch Basic Info Reviews Routing Numbers Map & Direction Name: Westamerica Bank, Fairfield Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2400 Hilborn Road Fairfield, California 94534 Solano County View other branches Phone: 707-429-7450 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121137001YN121140218YY121141000YN121141615YN From: To:
