Westamerica Bank, South Napa Branch Basic Info Reviews Routing Numbers Map & Direction Name: Westamerica Bank, South Napa Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1507 West Imola Avenue Napa, California 94559 Napa County View other branches Phone: 707-258-3120 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121137001YN121140218YY121141000YN121141615YN From: To:
