WESTAMERICA BANK
Routing Number: 121141000
PO BOX 1200
SUISUN CITY, CA 94585-0000
(800) 848-1088
3421 Broadway, Suite E2
American Canyon, CA 94503
735 Bellevue Road
Atwater, CA 95301
424 Grass Valley Highway
Auburn, CA 95603
2130 Chester Avenue
Bakersfield, CA 93301
20 Solano Square
Benicia, CA 94510
1110 Washington Street
Calistoga, CA 94515
1788 Mitchell Road Suite 104
Ceres, CA 95307
15342 Lakeshore Drive
Clearlake, CA 95422
536 Shaw Ave
Clovis, CA 93612
2400 Willow Pass Road, Suite F
Concord, CA 94519
1507 Center Street
Dos Palos, CA 93620
2400 Hilborn Road
Fairfield, CA 94534
1312 P Street
Firebaugh, CA 93622
2150 West Shaw Ave
Fresno, CA 93711
3006 West Bullard Avenue
Fresno, CA 93711
7032 North First Street
Fresno, CA 93720
790 West Shaw Avenue, Suite 115
Fresno, CA 93704
2440 Tulare Street, Suite 110
Fresno, CA 93721
1172 East Shaw Avenue
Fresno, CA 93710
5751 South Elm Avenue
Fresno, CA 93706
13751 Arnold Drive
Glen Allen, CA 95442
375 Brunswick Road
Grass Valley, CA 95945
39225 Highway 1 South
Gualala, CA 95445
16265 Main Street
Guerneville, CA 95446
What's the routing number used for in automatic bill payments?
What is a bank routing number?
Can I find my routing number through my online banking account?
Can I use someone else's routing number to receive funds?
How do I find the routing number for a credit union?
Frequently asked questions (FAQs) related to bank routing numbers and bank routing information:
frequently asked questions (FAQs) about Bank ABA routing numbers and their purposes:
Frequently asked questions (FAQs) about international bank routing codes

Is there a wire feature in First Southern Bank`s WebBanc login system? or is that part of the Cash Management Services system?
Read More
Hi ! My name is Dawn Heistand ! I received a check issued in 09/14/2013 in the amount of $****2,900.00 from a company named - State Farm Automobile Mutual Insurance Company - whos based in
Read More
Heart of Louisiana FCU Routing/ABA Number: is 265273054. Use this number to receive a wire transfer. Call the member services at 800 264 4562 for other money transfer options.
Read More
I need my routing number is it (284174613) or (289174613)
Read More