Home > California Banks > Fairfield Banks > Westamerica Bank Fairfield > Westamerica Bank, FAIRFIELD BRANCH > Routing Numbers

Westamerica Bank Routing Numbers

In our record, Westamerica Bank has a total of 3 routing numbers.

Routing NumberProcess FedACHProcess FedwireLocationRegistered Name
121140218YYSuisun City, CAWestamerica Bank
121141000YNSuisun City, CAWestamerica Bank
121141615YNSuisun City, CAWestamerica Bank


A routing number is a nine digit code, used in the United States to identify the financial institution. Routing numbers are used by Federal Reserve Banks to process Fedwire funds transfers, and ACH(Automated Clearing House) direct deposits, bill payments, and other automated transfers. The routing number can be found on your check.
bank check routing number

The routing number information on this page was updated on Mar. 25, 2024

Banks Nearby


5star
2 reviews
Bank of Stockton, FAIRFIELD BRANCH (0.1 miles)
Full Service Brick and Mortar Office
2407 Waterman Blvd
Fairfield, CA 94534

2star
862 reviews
Wells Fargo Bank, WATERMAN VILLAGE BRANCH (0.2 miles)
Full Service Retail Office
2401 Waterman Blvd
Fairfield, CA 94534

2star
310 reviews
Bank of America, NORTH FAIRFIELD BRANCH (1.0 miles)
Full Service Brick and Mortar Office
2400 N Texas St
Fairfield, CA 94533

2.5star
957 reviews
U.S. Bank, FAIRFIELD BRANCH (1.1 miles)
Full Service Brick and Mortar Office
1307 Travis Blvd
Fairfield, CA 94533

2.5star
510 reviews
JPMorgan Chase Bank, NORTH TEXAS AND ACACIA BRANCH (1.2 miles)
Full Service Brick and Mortar Office
1845 N Texas St
Fairfield, CA 94533

More