Westamerica Bank, Larkspur-Kentfield Branch Basic Info Reviews Routing Numbers Map & Direction Name: Westamerica Bank, Larkspur-Kentfield Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1115 Magnolia Avenue Larkspur, California 94939 Marin County View other branches Phone: 415-464-3600 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121137001YN121140218YY121141000YN121141615YN From: To:
