Check your bank statements and debit card first
Your account number is printed on almost every piece of paper your bank sends you. The fastest place to look is a recent bank statement — it appears near the top, usually after your name and address. If you have a debit card, flip it over: some banks print the account number on the back, though not all do.
If you have checks from your account, the account number is the middle set of digits on the bottom of the check. It sits between the routing number (on the left) and the check number (on the right). Even if you haven't ordered checks in years, this works if you have an old one lying around.
Key Takeaways
- Your account number appears on bank statements, the back of debit cards, and the bottom of checks — check these first before contacting your bank.
- Online banking portals show your account number in the account details or settings section, usually labeled "Account Information" or "My Accounts".
- Call your bank's customer service line and have your ID ready; they will confirm your identity before reading your account number over the phone.
- ATMs at your bank's branches can display your account number on the receipt if you request a balance inquiry.
- Mobile banking apps typically show your account number in the account details menu, sometimes hidden behind a "show account number" button for security.
Log into your online banking account
If you bank online, your account number is usually one click away. Sign into your bank's website or app and look for a section called "Account Information," "My Accounts," or "Account Details." The account number is almost always displayed there in full or with the last four digits visible.
Some banks hide the full number behind a button labeled "Show Account Number" or "Reveal Full Number" for security reasons — you may need to click it to see all the digits. If you cannot find it in the main account view, check the settings or profile section, or look for a link that says "Account Summary" or "Account Overview."
Call your bank directly
If you do not have access to statements or online banking, call the customer service number on the back of your debit card or on your bank's website. Have your photo ID and Social Security number ready — the bank will ask for these to confirm you are the account holder.
Once you are verified, the representative will read your account number to you. Write it down as they say it, and ask them to repeat it so you can confirm you have it correct. This call usually takes five to ten minutes.
Use an ATM at your bank's branch
Visit an ATM owned by your bank and insert your debit card. Select "Balance Inquiry" or "Account Information" from the menu. Some ATMs will print a receipt that includes your account number; others display it on the screen. Not every ATM shows this information, so this method works best at ATMs inside a bank branch rather than standalone machines.
If the ATM does not display your account number, you can still use this trip to ask a teller inside the branch. They can look it up in seconds with your ID.
Visit a bank branch in person
Walk into any branch of your bank with a photo ID. Tell the teller you need your account number. They will pull up your account on their computer and either write it down for you or read it aloud. This takes just a few minutes and requires no advance notice.
This is the most reliable method if you are uncomfortable with phone calls or online banking, and it gives you a paper record you can take home immediately.
Check old mail from your bank
Look through old letters, notices, or promotional mail from your bank. Account numbers often appear on these documents, even if they are not the main subject of the letter. Mortgage statements, loan documents, or credit card statements from the same bank may also list your checking or savings account number.
If you have moved recently and forwarded your mail, check your forwarding records or contact your post office — they may have kept copies of bank mail that arrived during the forwarding period.
Frequently Asked Questions
Is it safe to share my account number?
Your account number alone cannot be used to withdraw money or transfer funds — a thief also needs your routing number and often additional verification. However, do not share it with anyone who contacts you unexpectedly by phone or email. Legitimate businesses you already work with (your employer, your landlord, your insurance company) may need it, and that is normal.
What if I cannot remember which bank I use?
Check your pay stub if you have direct deposit set up — it often lists the bank name. Look at your debit card or any checks you have. Search your email for statements or account confirmations. If you still cannot find it, contact your employer's payroll department; they have the bank information on file.
Do I need my account number to receive a refund?
Yes, most refunds (tax refunds, insurance refunds, business refunds) require your account number and routing number so the money can be deposited directly into your account. Some refund programs also accept a mailed check, but direct deposit is faster and more reliable.
Can I use my debit card number instead of my account number?
No. Your debit card number and your account number are different. Refund programs and direct deposit systems specifically need your account number, which is usually nine to twelve digits. Your debit card number is sixteen digits and will not work for these purposes.
What if my bank closed or merged?
If your bank was acquired by another bank, your account number usually stays the same under the new owner. Contact the bank that now holds your account (the name on your current debit card or statements) and they can confirm your account number. If the bank closed entirely, contact the FDIC at 877-275-3342 — they can help you locate your account information.