San Mateo Credit Union Address
350 Convention Way
Redwood City, CA 94063
San Mateo Credit Union Phone Number
650-363-1714

San Mateo Credit Union of California - Routing Number

321174851 The routing number for San Mateo Credit Union in California is used on San Mateo Credit Union checks and for direct deposits and wire transfers.

San Mateo Credit Union is a banking institution located in Redwood City, CA. The routing number for San Mateo Credit Union is 321174851.

How to use the San Mateo Credit Union Routing Number

Routing number on sample check

San Mateo Credit Union's routing number is the eight or nine-digit number found on the bottom left hand side of San Mateo Credit Union checks, next to your checking account number and check number.

In the sample check on the left, the routing number is circled in red. Your checks may have a slightly different layout.

Your routing number is used like a bank's address, to ensure that financial transactions (like checks and direct deposits) get sent to the correct banking institution. You will need to know the San Mateo Credit Union Routing Number when setting up direct deposit with your employer, receiving direct-deposit benefits or tax refunds from the U.S. Government, or requesting a direct bank wire payment to your bank account.

Unlike your San Mateo Credit Union Bank Account Number, the San Mateo Credit Union Routing Number is the same for all San Mateo Credit Union accounts. If you have both your checking and savings accounts with San Mateo Credit Union, for example, they will both use the same routing number, 321174851.