Comerica Bank California Address
P.o. Box 75000
Detroit, MI 48275
Comerica Bank California Phone Number
800-581-9857

Comerica Bank California of Michigan - Routing Number

121137522 The routing number for Comerica Bank California in Michigan is used on Comerica Bank California checks and for direct deposits and wire transfers.

Comerica Bank California is a banking institution located in Detroit, MI. The routing number for Comerica Bank California is 121137522.

How to use the Comerica Bank California Routing Number

Routing number on sample check

Comerica Bank California's routing number is the eight or nine-digit number found on the bottom left hand side of Comerica Bank California 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 Comerica Bank California 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 Comerica Bank California Bank Account Number, the Comerica Bank California Routing Number is the same for all Comerica Bank California accounts. If you have both your checking and savings accounts with Comerica Bank California, for example, they will both use the same routing number, 121137522.