Know Your UnionBank Routing Number

UnionBank Routing Number RoutingNumberUSA

What’s The UnionBank Routing Number?

A customer of UnionBank requires a UnionBank Routing Number to make any monetary transaction (offline or online). People and banks use the routing numbers to identify the financial institution behind the transaction. The primary function of a routing number was to help in sorting, bundling and shipping paper checks. But its functionalities had to be widened to incorporate new transaction methods (like ACH and wire). This article also discusses how to find out the UnionBank routing number or what is the routing number for UnionBank?

UnionBank Routing Number RoutingNumberUSA

The table given below shows all the UnionBank Routing Numbers.

UnionBank ABA Routing Transit Numbers (RTN)

Here is the state wise list of UnionBank Routing Number for Checking Account and Savings Account.
S No.Region/StatePostal AbbreviationRouting Number

What is an ABA Routing Number?

Your ABA Routing Number has nine-digits. You can find this number at the bottom left corner of your check. As a banker, you can use a routing number to identify the financial institution behind a transaction. All transaction done through ACH and wire use the routing number system. The Federal Reserve Bank depends on ABA routing number system to process Fedwire fund transfers. The Automated Clearing House also uses routing number system to process bill payments, direct deposits and other transfers.

The ABA routing number, as we know, came into being in 1910.  The American Bankers Association was behind its designing and implementation. The Association then tied up with several registrars over the years to manage this system. Currently, Accuity manages the routing number system and assigns them to the financial institutions.

ABA Routing Transit Number (RTN) RoutingNumberUSA

There are currently 26,895 active routing numbers in use. According to the Routing Number Policy, a financial institution can have only 5 routing numbers. But as there are a number of mergers taking place between different banks, a financial institution can have more than 5 routing numbers. Routing Numbers may differ depending on where you opened your account. It also depends on the type of transaction you make.

What’s The UnionBank SWIFT Code?

UnionBank employs SWIFT Code to make all its international transaction. Every bank and financial institution needs SWIFT code to make international transactions.

The SWIFT Code for UnionBank is- BOFCUS33MPK

What is a SWIFT Code?

The basic difference between the two is that SWIFT Codes are used for international transfers while routing numbers are used for domestic transactions. Unlike routing numbers, SWIFT codes are made up of 8 to 11 characters.

Currently, there are 40,000 “live” SWIFT Codes. Only the active partners connected to the network get the “live” SWIFT Codes. If a SWIFT Code has 8 characters, it is referring to the primary office. The code format is as below:


  • First 4 characters- Bank Code (letter only)
  • Next 2 characters- Country code (letters only)
  • Next 2 characters- Location code (letters or numbers or both)
  • Last 3 characters- Branch code (letters or numbers or both)

Things To Know About UnionBank

UnionBank or MUFG Union Bank is an American full-service bank with 398 branches in California, Washington and Oregon. It is wholly owned by The Bank of Tokyo-Mitsubishi UFJ. Formerly known as Union Bank of California, N.A., the bank operates in California, Washington and Oregon with commercial branches in Dallas, Houston, New York City and Chicago. They also have two international offices. Union Bank is on the list of largest banks in America along with HSBC, Ally Bank and others. You also need HSBC Bank Routing Number and Ally Bank Routing Number respectively to make any monetary transactions through these banks.

In 1996, the Bank of California and Union Bank merged into UnionBanCal Corporation, a bank holding company. This merger meant Union Bank could now trace its to the founding of the Bank Of California 132 years before.

UnionBank ABA Routing Number RoutingNumberUSA

In August 2008, Mitsubishi UFJ bought 35 percent of Union Bank. On November 4, 2008, the Bank of Tokyo-Mitsubishi UFJ (BTMU), a subsidiary of Mitsubishi UFJ Financial Group (MUFG), announced that BTMU has successfully acquired all of the outstanding shares of UnionBanCal Corporation.

UnionBank is currently headquartered in New York City. Its address is:

1251 Avenue of the Americas, New York City, New York 10020-0009