WESTAMERICA BANK ROUTING ABA NUMBER

121141000 routing number is a 9-digit number designed and assigned to Westamerica Bank by The American Bankers Association (ABA) to identify the financial institution upon which a payment was drawn. Westamerica Bank routing numbers are also known as as "ABA numbers", "routing transit numbers" (RTN), or "check routing numbers". Routing numbers depend on the type of transaction made such as reorder Westamerica Bank checks, receive incoming domestic or international wire transfers, use the number for wire transfers to your Westamerica Bank account, or to set up direct deposits. Please call Westamerica Bank representative at (800) 848-1088 for more information.