Westamerica Bank, Wildwood Branch Basic Info Reviews Routing Numbers Map & Direction Name: Westamerica Bank, Wildwood Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 11240 Pleasant Valley Road Penn Valley, California 95946 Nevada County View other branches Phone: 530-432-7470 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121137001YN121140218YY121141000YN121141615YN From: To: