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65 Banks in California, Sonoma County, USA - 2026

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

๐Ÿฆ

Westamerica Bank

Glen Ellen
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 13751 Arnold Drive, Glen Ellen, CA 95442, Glen Ellen, CA 95442
๐Ÿ“ž 707-935-4160
๐Ÿ—บ Sonoma County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

Healdsburg
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 511 Healdsburg Avenue, Healdsburg, CA 95448, Healdsburg, CA 95448
๐Ÿ“ž 707-473-4390
๐Ÿ—บ Sonoma County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

Washington Square
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 203 South Mcdowell Boulevard, Petaluma, CA 94954, Petaluma, CA 94954
๐Ÿ“ž 707-766-7880
๐Ÿ—บ Sonoma County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

Sebastopol
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 105 North Main Street, Sebastopol, CA 95472, Sebastopol, CA 95472
๐Ÿ“ž 707-823-7841
๐Ÿ—บ Sonoma County
๐ŸŒ westamerica.com
๐Ÿฆ

Westamerica Bank

Sonoma Main
๐Ÿฆ Full Service OfficeFederal Reserve Member Bank
๐Ÿ“ 202 West Napa Street, Sonoma, CA 95476, Sonoma, CA 95476
๐Ÿ“ž 707-935-3200
๐Ÿ—บ Sonoma County
๐ŸŒ westamerica.com