You’ll find your checking account number on the bottom of your checks. If you don’t have your checks with you, you can find it in Online Banking. From the Online Banking Dashboard, click on your checking account. This opens a separate panel that shows your recent transaction history. At the top of the list of transactions, you will see a link that says Account Details. Click on this link, and the displayed information will change. The account number for a checking account is a fourteen-digit number, listed as the “MICR Account Number”.