Westamerica Bank, North Napa Branch Basic Info Reviews Routing Numbers Map & Direction Name: Westamerica Bank, North Napa Branch Main Office: No Service: Full Service Brick and Mortar Office Location: One Financial Plaza Napa, California 94558 Napa County View other branches Phone: 707-255-8301 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121137001YN121140218YY121141000YN121141615YN From: To:
