Routing Number 321170318

Union 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 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 for more information.

  • Routing Number: 321170318
  • PO BOX 85929
    SAN DIEGO, CA 92186-5929
  • Phone Number:


OldTimer - 12/04/2012

Union Bank Business Checking is offering two free incoming wires each month. Great!

jason4424 - 12/12/2012

What`s the routing number for foreign currency wires at union bank?

routing number on check

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