Westamerica Bank, Capitol Mall Branch Basic Info Reviews Routing Numbers Map & Direction Name: Westamerica Bank, Capitol Mall Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 300 Capitol Mall Ste150 Sacramento, California 95814 Sacramento County View other branches Phone: 916-449-8300 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121137001YN121140218YY121141000YN121141615YN From: To: