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  • Westamerica branch hours, addresses, and phone numbers.
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San Francisco

343 Sansome Street, Suite 520

Lobby Hours:
Monday - Thursday: 9:00 a.m. - 4:00 p.m.
Friday: 9:00 a.m. - 5:00 p.m.
Saturday: Closed
Sunday: Closed

shareholders corporate headquarters

Corporate Headquarters

The holding company for Westamerica Bank

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locations branch network map

Branch Network Map

Throughout Northern and Central California.

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contact us trust locations

Personal Trust Services

We have two Trust offices to serve you.

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