Alliant Credit Union Address
11545 W Touhy Avenue
Chicago, IL 60666
Alliant Credit Union Phone Number

Alliant Credit Union of Illinois - Routing Number

Old Routing Number: 321174149
The routing number for Alliant Credit Union in Illinois is used on Alliant Credit Union checks and for direct deposits and wire transfers.

Alliant Credit Union is a banking institution located in Chicago, IL. The routing number for Alliant Credit Union is 321174149.

How to use the Alliant Credit Union Routing Number

Routing number on sample check

Alliant Credit Union's routing number is the eight or nine-digit number found on the bottom left hand side of Alliant 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 Alliant 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 Alliant Credit Union Bank Account Number, the Alliant Credit Union Routing Number is the same for all Alliant Credit Union accounts. If you have both your checking and savings accounts with Alliant Credit Union, for example, they will both use the same routing number, 321174149.