That said, you don’t need to have your checking account number memorized. It’s easy to find the account number on a check—once you know where to look.

To manage your bank account and transactions, you need to understand the distinction between a routing number and an account number, from how to find them to when they’re used.

Your financial institution’s ABA routing number is an important piece of information, as is your bank account number. Knowing how to find your ABA routing number and your account number matters ...

If you bank online, log into your account and you’ll find the account number listed on each account. Although in some cases, it might be prefaced by a transit number and a dash.