Westamerica Bank routing number 121141615 is used by the Automated Clearing House (ACH) to process direct deposits. ABA routing numbers, or routing transit numbers, are nine-digit codes you can find on the bottom of checks and are used for ACH and wire transfers.
Westamerica Bank Routing Numbers | Area |
---|---|
121140218 - Westamerica Bank | CA 94585 |
121141000 - Westamerica Bank | CA 94585 |
All Westamerica Bank Routing Numbers