Contact Us
Phone Numbers
Customer Service Representatives
(800) 848-1088
5 a.m. – midnight, 7 days a week
24-Hour Automated Telephone Banking
(800) 848-1088
(800) 829-8629
- Business Online Services
- Merchant Card Services
- Loan Adjustments
Loan Express
Personal Loan Applications by Phone
(800) 514-1460
Home Equity Lines of Credit
(800) 442-6202
Mortgage Loan Servicing
Mortgage Help
(800) 877-8887
Investor Relations
(707) 863-6992
(800) 359-7562
Addresses
General Bank Correspondence
PO Box 1200
Suisun City, CA 94585-1200
Shipping and Overnight Deliveries
4550 Mangels Boulevard
Fairfield, CA 94534
Loan Payments
PO Box 1260
Suisun City, CA 94585-1260
Loan Servicing
Loan documents, general correspondence
PO Box 1190
Suisun City, CA 94585-1190
Mortgage Loan Servicing
Mortgage documents, general correspondence
PO Box 1180
Suisun City, CA 94585-1180
Investor Relations
PO Box 1250 – A2B
Suisun City, CA 94585-1200
Trust Services
PO Box 1240
Suisun City, CA 94585-1240
StarConnect Plus Online Banking users may send a secure email for many account inquiries. After you login, simply select “Additional Services” to send a secure email.
CORPORATE HEADQUARTERS
Westamerica Bancorporation and Subsidiary Bank Headquarters
1108 Fifth Avenue
San Rafael, CA 94901
(415) 257-8000
HOLIDAY CLOSURES
Branches and corporate offices are closed on the following holidays: