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25 Banks in California, Napa County, USA - 2026

Browse branch addresses, phone numbers, FDIC status, and bank service details across our U.S. branch directory.

๐Ÿฆ

Westamerica Bank

Saint Helena
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 1000 Adams Street, Saint Helena, CA 94574, Saint Helena, CA 94574
๐Ÿ“ž 707-968-3535
๐Ÿ—บ Napa County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

South Napa
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 1507 West Imola Avenue, Napa, CA 94559, Napa, CA 94559
๐Ÿ“ž 707-258-3120
๐Ÿ—บ Napa County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

Calistoga
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 1110 Washington Street, Calistoga, CA 94515, Calistoga, CA 94515
๐Ÿ“ž 707-942-7400
๐Ÿ—บ Napa County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

Yountville
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 6470 Washington Street, Yountville, CA 94599, Yountville, CA 94599
๐Ÿ“ž 707-944-4422
๐Ÿ—บ Napa County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

American Canyon
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 3421 Broadway, Suite E2, American Canyon, CA 94503, American Canyon, CA 94503
๐Ÿ“ž 707-558-1166
๐Ÿ—บ Napa County
๐ŸŒ westamerica.com