Comerica Bank routing numbers

Comerica Bank uses different routing numbers depending on several factors, including payment type and the transaction's origin or destination. You'll need this eight to 11-digit code so that banks can locate your account and process transactions like checks, automatic payments, online payments and money transfers in the US and worldwide. Learn how to find the exact routing number you need for your Comerica Bank account.

Which Comerica Bank routing number do I need?

The routing number you need to send or receive money through Comerica Bank depends on whether your payment or transfer is domestic or international.

Transaction	Type of routing number	Comerica Bank code
Payments and debits between US accounts	ACH routing number	121137522
Wire payments between US accounts	Domestic wire transfer number	121137522

Comerica Bank ACH transfer routing number

The ACH routing number for Comerica Bank is 121137522. Short for Automatic Clearing House, ACH numbers are unique to each bank in the US. The ACH number and your bank account number are used by banks and transfer apps like Zelle or Cash App to identify the exact account payments should be taken from and sent to.

Comerica Bank wire transfer routing number

The routing number for US wire transfers through Comerica Bank is 121137522. You can use this same number to receive international wire transfers to your Comerica Bank account.

How to confirm the routing number for Comerica Bank on your own

Look at a paper check associated with your Comerica Bank account to find the routing and account numbers for your account.

Other ways to confirm the correct Comerica Bank routing number include:

• Call your bank. Your local Comerica Bank branch or toll-free support line can provide you with routing numbers.
• Sign in to your online account. Many online bank systems allow you to view the routing and account numbers from your customer dashboard.
• Search Fedwire. Use your name, city or state to look up routing numbers for Comerica Bank or double-check the one you have is correct.

Can routing numbers for Comerica Bank change?

Yes. A bank may be assigned more than one routing number depending on its size and the number of states it services. While Comerica Bank is headquartered in Dallas, services or branches in states outside of Texas may require a different routing number. Confirm routing numbers with a Comerica Bank agent if you're not sure.

List of Comerica Bank routing numbers by state

State	Comerica Bank routing number
Arizona	121137522
​Michigan	072000096

Bottom line

Routing numbers help banks identify your exact account to make digital payments, transfer money and even process paper checks between branches, states and countries. Learn more about how Comerica Bank and other financial institutions use these codes to manage your money in our guide to routing numbers.