The routing number for United American Bank is 121143558.

United American Bank is located at this address: 101 South Ellsworth Suite 110, San Mateo, California.

In case of mail delivery, this is the full address you should use:

United American Bank
101 South Ellsworth Suite 110
San Mateo
California
94401-0000

To contact United American Bank by phone, call: (650) 579-1563

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This page has the contact information and routing numbers for United American Bank.

You'll find information like phone number, full address, zip code, routing numbers and more.

We are working hard to keep the site updated, however, we cannot guarantee that the information on the site is fully updated at any point in time as changes may occur at any time we encourage you to validate the information with your bank.

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United American Bank Check example * Sometimes the routing number is written after the account number and not before.

Routing Numbers General Information

Routing number is a 9 digit number given to a bank by the ABA (American Bankers Association) in order to recognize the bank for which payment is being sent to.

Routing numbers are often called ABA numbers, Check routing numbers, or Routing transit numbers (RTN).

Routing numbers change from bank to bank and from one bank location to another, there are also different routing numbers for different transactions.

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