Find Bank Routing Numbers for Comerica Bank in California Check Routing Numbers, ABA Numbers, Routing Transit Numbers (RTN), Bank Address, Contact Numbers

Routing Numbers

The Bank Routing Number is a 9 digit number assigned to banks by The American Bankers Association (ABA) to identify the bank upon which a payment was drawn. Routing numbers are sometimes referred to as "Check Routing Numbers", "ABA Numbers", or "Routing Transit Numbers" (RTN). Routing numbers may differ depending on where your account was opened and the type of transaction made.

Bank Routing Number Search

Partial/Full Name of the Bank e.g. Credit Union and Select the State (Don't change if not sure)


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Routing Number for Comercia Bank in California is 121137522.

The Routing Number 121137522 is valid for all transaction types of Comerica Bank in California, which includes Direct Deposit, Wire Transfers, e-transfers etc.


Routing number is also printed at the bottom left corner of the check issued by your bank branch of Comerica Bank. You may also call customer support to find your routing number.

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