WESTAMERICA BANK Routing Number: 121141615
- Routing Number: 121141615
- Bank Name: WESTAMERICA BANK
- Address: PO BOX 1200
- State: CA
- Zip Code: 94585-0000
- Bank Phone: 800-848-1088
- Office Type: Main
- City: SUISUN CITY
- Institution Status Code: 1
WESTAMERICA BANK Routing Number: 121140218
- Routing Number: 121140218
- Zip Code: 94585
WESTAMERICA BANK Routing Number: 121141000
- Routing Number: 121141000
- Zip Code: 94585