UNION BANK ROUTING ABA NUMBER

321170318 routing number is a 9-digit number designed and assigned to Union Bank by The American Bankers Association (ABA) to identify the financial institution upon which a payment was drawn. Union 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 Union Bank checks, receive incoming domestic or international wire transfers, use the number for wire transfers to your Union Bank account, or to set up direct deposits. Please call Union Bank representative at (619) 645-4300 for more information.