Your account number is on the bottom left of your checks, or in your online banking

Your checking account number is a unique identifier for your specific account at your bank. It is different from your routing number (which identifies the bank itself) and different from your debit card number. You can find it in three places: printed on the bottom left of any check you have, displayed in your online banking portal or mobile app, or by calling your bank's customer service line.

The account number is usually 8 to 12 digits long, though the exact length varies by bank. When you need it — to set up direct deposit, arrange a wire transfer, or authorize an automatic payment — you do not need to memorize it. You can look it up in seconds from any of these sources.

Key Takeaways

  • Your account number appears on the bottom left of your checks, between the routing number and the check number.
  • You can view your account number anytime by logging into your bank's website or mobile app under account details or account information.
  • If you do not have checks or online access, call your bank's customer service number on the back of your debit card and they will read it to you.
  • Never share your account number with someone who calls you unsolicited, even if they claim to be from your bank.

Reading it from a check

If you have a checkbook, the easiest place to find your account number is on the check itself. Look at the bottom of the check — you will see a series of numbers printed in a special magnetic ink. Reading from left to right, the first set of numbers is your routing number, the second set is your account number, and the third set is the check number.

The account number is usually the longer of the two main number groups. For example, if you see 021000021 (routing) 123456789 (account) 1001 (check), your account number is 123456789. You do not need to understand what the routing number does — just know that the middle group is what you are looking for.

Finding it online or in your mobile app

If you have set up online banking with your bank, your account number is usually visible within seconds. Log in to your bank's website or open their mobile app, then look for a section labeled "Account Details," "Account Information," or "My Accounts." Your account number will be displayed there alongside your account type (checking, savings, etc.) and your current balance.

Different banks place this information in slightly different locations. Some show it on the main dashboard as soon as you log in. Others require you to click on the specific account first. If you cannot find it after a quick look, use the search function in your app or website and type "account number" — most banking apps will direct you to the right page.

Calling your bank to get the number

If you do not have checks and cannot access online banking, you can call your bank directly. The phone number is printed on the back of your debit card. When you call, you will likely reach an automated system that asks you to enter your debit card number or account number to verify your identity. Once verified, you can ask to speak to a representative or navigate the automated menu to hear your account number read aloud.

Be prepared to answer security questions to confirm you are the account holder. This is normal and protects your account. The entire process usually takes fewer than five minutes.

Why you need it and when to share it

Your account number is necessary for several common banking tasks: setting up direct deposit for your paycheck, arranging automatic bill payments, receiving a wire transfer, or providing banking details to an employer or government agency. In all these cases, you will be asked for both your routing number and your account number together.

It is safe to share your account number with legitimate organizations — your employer, your utility company, your landlord, or a government agency processing a payment to you. However, never give your account number to someone who calls you unsolicited, even if they claim to represent your bank. Real banks do not ask for account numbers over the phone. If someone calls asking for it, hang up and call your bank directly using the number on your debit card to report the call.

The difference between account number and other numbers

Your checking account has several different numbers attached to it, and it is straightforward to confuse them. Your routing number identifies which bank you use — all customers of the same bank share the same routing number. Your account number identifies your specific account within that bank. Your debit card number is printed on the front of your card and is used for purchases and ATM withdrawals, but it is not the same as your account number.

When someone asks for your "banking information" to set up a transfer or direct deposit, they are asking for your routing number and account number together — not your debit card number. If you are unsure which number someone needs, ask them directly: "Do you need my routing number and account number, or my debit card number?"

What to do if you cannot find your account number

If you have looked in all three places — your checks, your online banking, and you cannot reach your bank by phone — you have other options. Visit your bank in person with a photo ID and ask a teller to write down your account number for you. This takes just a few minutes and requires no appointment.

You can also contact your bank through their website's chat or message feature if they offer it. Many banks now have live chat support during business hours, and you can ask them to confirm your account number without making a phone call.

Frequently Asked Questions

Is my account number the same as my debit card number?

No. Your debit card number is printed on the front of your card and is used for purchases and ATM withdrawals. Your account number is different and is used for transfers, direct deposit, and bill payments. You can find your account number on your checks or in online banking.

Can someone use my account number to steal money from my account?

Your account number alone is not enough to withdraw money or make unauthorized transfers. A thief would also need your routing number, and in most cases additional verification like your PIN or password. Still, do not share your account number with strangers or unsolicited callers. Share it only with organizations you initiated contact with or trust.

What if my bank does not issue checks?

Some online banks do not provide checks. In that case, log into your online banking portal to find your account number, or call the customer service number listed on your bank's website. Both methods will show you your account number within minutes.

Do I need both my routing number and account number for direct deposit?

Yes. Direct deposit requires both numbers. Your employer or the organization setting it up will ask for both. You can find both on a check, or you can get them from your online banking portal or by calling your bank.

Is it safe to text my account number to someone?

Text is less find than other methods. If someone you trust asks for your account number, it is safer to provide it in person, by phone call, or through a find online portal. Never text sensitive banking information to a number you are unsure about.