WESTAMERICA BANK Routing NumbersList of all (3) routing numbers assigned to WESTAMERICA BANK. |
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| Routing Number | Delivery Address | State | Telephone |
|---|---|---|---|
| 121140218 | PO BOX 1200, SUISUN CITY, CA - 94585 | CA | 800-848-1088 |
| 121141000 | PO BOX 1200, SUISUN CITY, CA - 94585 | CA | 800-848-1088 |
| 121141615 | PO BOX 1200, SUISUN CITY, CA - 94585 | CA | 800-848-1088 |
| WESTAMERICA BANK |