Finding this nine digit code is not rocket science. Just like any other account, Comerica Bank California routing numbers can be found easily using these methods.
Referring to the checkbook: Get the Comerica Bank California’s routing number at the bottom left-hand corner of the cheque. The first set of number is the Comerica Bank California’s routing number whereas the second set of number is the account holder’s number.
Bank website/ online banking: Comerica Bank California has listed its routing number on its website. Find it easily by logging into their website. If you are an account holder, then you can also find Comerica Bank California’s routing number by logging to your mobile banking or calling the bank officials directly.
MybankDetail.com: Check out the routing number of Comerica Bank California by simply inputting the bank name and the location at mybankdetails.com. In a few seconds, the routing number will be on your screens.
Routing number vs Account number
The routing number of Comerica Bank California is different from its account number. As a matter of fact, this condition holds the same for all of the banks in the world. Differentiating the account number from the routing number is no big task. For every bank related transaction, one may be prompted to provide with their account number and routing number. Both of these credentials are assigned to you while you opened your account at Comerica Bank California.
But both of these valuable numbers indicated two different details. Account number identifies the account holder, whereas the routing number specifies the bank in which your account is held. For eg., Your Comerica Bank California account number is 0000121137522 and the routing number is 121137522. Here 0000121137522 depicts your details as the account holder of Comerica Bank California and 121137522 represents the details of Comerica Bank California that is responsible for money going in and out of your account.
Difference between ACH and ABA routing number
ABA or the American Bankers Association routing numbers are used for the paper of cheque transfers.
ACH or Automated Clearing House routing numbers are used for electronic transfers.Both ABA and ACH routing numbers are nine-digit codes. But the first two digits of the nine digits in an ABA number ranges from 00-32 whereas, for ACH routing number, it can range from 61-72.
For some banks, ACH or Automated Clearing House routing numbers and ABA or the American Bankers Association routing numbers may be the same. Confirm with Comerica Bank California’s officials before using ACH or ABA routing number for any financial transactions.