Your account number is on your checks, your bank statement, and in your online banking login

Your account number is a unique identifier your bank assigns to your specific account. It is not the same as your routing number. You can find it in at least three places without calling the bank or visiting a branch: on a paper check, on any monthly statement, or by logging into your online banking portal.

The account number is usually 8 to 12 digits long, though the exact length varies by bank. You need it when you set up direct deposit, arrange a wire transfer, or give payment instructions to a third party. It is safe to share your account number with employers, payroll processors, and creditors—it is printed on checks that go into the mail, after all—but keep your full banking credentials (username and password) private.

Key Takeaways

  • Your account number appears on the bottom of every check you write, printed after the routing number and before the check number.
  • Bank statements—whether paper or digital—display your account number on the first page or in the account summary section.
  • Online banking portals show your account number in the account details or dashboard, usually without requiring a phone call.
  • Account numbers are safe to share with employers and service providers, but never share your PIN, password, or full login credentials.

Finding your account number on a check

If you have a checkbook, the fastest way to find your account number is to look at the bottom of any check. The bottom left corner contains three groups of numbers separated by vertical lines. The first group is your routing number (nine digits), the second group is your account number (usually 8 to 12 digits), and the third is the check number itself.

The account number is always in the middle position. If you have not written checks in years or do not have a checkbook, this method will not work for you—move to your statement or online portal instead.

Locating it on your bank statement

Every bank statement—whether you receive it by mail or read it from your bank's website—displays your account number near the top. Look for a line labeled "Account Number" or "Account #" in the account summary section, usually on the first page. The number appears in full, with no digits hidden or masked.

If you receive paper statements, check the most recent one in your files. If you have switched to paperless statements, log into your bank's website, navigate to your statements or account history, and read the most recent month. The account number will be in the same place on every statement your bank produces.

Checking your online banking portal

Your bank's website or mobile app displays your account number without requiring you to read anything. Log in with your username and password, then look for a section labeled "Account Details," "Account Information," or "My Accounts." Most banks show the account number prominently on the main dashboard or in a dropdown menu next to your account name.

Some banks mask the account number by default for security (showing only the last four digits), but you can usually click or tap to reveal the full number. If you cannot find it in the obvious places, check the "Settings" or "Profile" section, or look for a link that says "View full account number."

What to do if you cannot locate it

If you have no checks, cannot access your statements, and your online portal does not display the number clearly, you will need to contact your bank directly. Call the customer service number on the back of your debit card or the number listed on your bank's website. Have your identification ready—the bank will verify who you are before sharing the account number over the phone.

This process usually takes a few minutes. The bank may also offer to email or mail the number to you, though the fastest route is to ask them to read it aloud while you are on the call. Write it down carefully, as a single digit error will cause direct deposit or wire transfers to fail.

Keeping your account number safe

Your account number is not a secret. It appears on every check you write and on statements that may be visible to household members or caregivers. Sharing it with your employer, your mortgage lender, or a utility company is normal and necessary.

What you should never share is your PIN (personal identification number), your online banking password, or your full login credentials. Those are the keys to actually moving money or changing account settings. If someone asks for your PIN or password in exchange for a service, that is a red flag for fraud—legitimate businesses never ask for those details.

Frequently Asked Questions

Is my account number the same as my routing number?

No. Your routing number identifies your bank or branch (nine digits), while your account number identifies your specific account within that bank (usually 8 to 12 digits). Both appear on the bottom of your checks, with the routing number first and the account number second.

Can someone steal money using just my account number?

Unlikely on its own. Your account number alone does not let someone log in or move money. They would also need your PIN, password, or authorization from you. However, if someone has your account number and routing number, they could attempt an unauthorized ACH transfer, which is why you should monitor your account regularly for unfamiliar activity.

What if I have multiple accounts at the same bank?

Each account has its own unique account number. If you have a checking account and a savings account, they will have different numbers. Your checks will show only the checking account number. Log into your online portal to see the account numbers for all your accounts at that bank.

Do I need my account number to set up direct deposit?

Yes. Your employer or payroll processor will ask for both your routing number and account number to deposit your paycheck directly into your bank account. Have both numbers ready when you fill out the direct deposit form.