Where to find your account number
Your checking account number is printed on the bottom left of every check you write. Look at the string of numbers at the very bottom of the check — the first set of digits (usually 8 to 12 numbers) is your account number. The middle set is your bank's routing number, and the rightmost set is the check number itself.
If you don't have checks handy, your account number also appears on your bank statement — both paper statements and online. Log into your bank's website or mobile app, find your account summary or account details page, and your account number will be listed there. Most banks display it prominently at the top of the page or in a section labeled "Account Information."
Your debit card does not print your account number on it, so don't look there. Your card number is different from your account number — they are separate identifiers your bank uses for different purposes.
Key Takeaways
- Your checking account number appears on the bottom left of your checks, before the routing number.
- You can find your account number by logging into your bank's website or app and viewing your account details or statement.
- Your debit card number is not the same as your account number, so checking your card won't help.
- If you've lost access to checks and can't log in online, call your bank's customer service line — they can read it to you over the phone.
Getting your account number from your bank directly
If you don't have checks or online access, call your bank's customer service number. You'll find this number on the back of your debit card, on your most recent statement, or on your bank's website. Have your ID ready — the bank will verify your identity before giving you account information.
Visit a branch in person if you prefer to speak face-to-face. Bring a photo ID, and a teller can write down your account number for you on the spot. This takes just a few minutes.
Why you need your account number
Banks and other financial institutions ask for your account number when you set up direct deposit, arrange automatic bill payments, or transfer money between accounts. Employers need it to deposit your paycheck. Insurance companies, utilities, and loan servicers need it to withdraw payments or send refunds.
Your account number is safe to share with legitimate businesses you're doing financial transactions with — employers, your own bank, government agencies processing refunds. It's not a secret like your PIN or password. However, don't share it with people who contact you unexpectedly, and never type it into a website unless you initiated the contact and you're certain the site is legitimate.
Account number format and what the digits mean
Checking account numbers vary in length depending on your bank. Most are between 8 and 12 digits long. Some banks use letters as well as numbers. The format is specific to each bank — there's no universal standard, so your account number won't look identical to someone else's even if you bank at the same institution.
The digits themselves don't encode information about your account type, balance, or location. They're simply an identifier your bank assigns to your account. The routing number (which appears next to your account number on checks) is what identifies your specific bank branch or banking center.
Keeping track of your account number
Write your account number down and store it somewhere safe at home — a drawer, a file folder, or a notebook. You don't need to memorize it, but having it written down means you won't have to dig through old checks or log into your bank every time you need it.
If you're setting up direct deposit for a job or a refund, take a photo of a check or write down both your account number and routing number before you meet with your employer or submit paperwork. This saves time and reduces the chance of typing errors.
What to do if you can't locate your account number
If you've moved, changed banks, or closed old accounts, you may have lost track of which account number belongs to which bank. Your current bank's website or app will show you the account number for any active accounts you hold there. If you have multiple accounts at the same bank, each one has its own account number.
If you're looking for an account number from a bank you no longer use, contact that bank directly. They can look up closed accounts by your name and ID, though they may only keep records for a limited time after an account closes. Some banks keep records for seven years; others keep them longer.
Frequently Asked Questions
Is my account number the same as my debit card number?
No. Your debit card number is a 16-digit number printed on the front of your card. Your account number is separate and appears on your checks and in your online banking portal. They're different identifiers for different purposes.
Can someone access my account if they know my account number?
Knowing your account number alone is not enough to access your account or move money. Banks require additional verification — your PIN, password, or other security information — before allowing any transactions. Share your account number freely with employers and businesses you're paying, but never share your PIN or online banking password.
What if I have multiple checking accounts at the same bank?
Each account has its own account number. When you log into your bank's website or app, you'll see all your accounts listed separately, each with its own number. Make sure you're using the correct account number for the transaction you're making.
Do I need both my account number and routing number for direct deposit?
Yes. Your employer or the organization sending you money needs both numbers. Your routing number identifies your bank; your account number identifies your specific account within that bank. Both are printed on the bottom of your checks in order: account number first, then routing number.