Comerica Bank has 3 routing numbers: 111000753 (Dallas, TX), 121137522 (San Jose, CA), 072000096 (Detroit, MI). Different routing numbers may be used for different regions or transaction types.
How do I validate a Comerica Bank routing number?
Enter the Comerica Bank routing number in the validator above. It will verify the 9-digit format, check the ABA 3-7-1 weighted checksum, identify the Federal Reserve district, and confirm the bank name.
Where can I find my Comerica Bank routing number?
Your Comerica Bank routing number appears at the bottom-left of your checks (first 9 digits), in your online banking portal, or on your bank statements. Note that Comerica Bank may use different routing numbers depending on your state or transaction type.
In which states does Comerica Bank operate?
Based on routing number data, Comerica Bank operates in TX, CA, MI. Each regional office may have its own routing number for processing local transactions.