Your checking account number is on the bottom left of your checks, in your online banking portal, or by calling your bank
The fastest way to find your checking account number depends on what you have access to right now. If you have a checkbook, look at the bottom of any check — you'll see three groups of numbers separated by colons or vertical lines. The middle group is your routing number; the last group (usually 10 to 12 digits) is your account number. If you don't have checks, log into your bank's website or mobile app — your account number appears on the account summary page, often labeled "Account Number" or "Checking Account." If neither option works, call your bank's customer service line (the number is on your debit card or bank statements) and they'll read it to you in under a minute.
You need this number when you set up direct deposit, arrange wire transfers, pay bills through your bank's bill pay system, or give payment information to employers and service providers. Banks keep your account number the same for the life of the account, so once you find it, you can write it down and keep it handy.
Key Takeaways
- Your checking account number appears on the bottom of any check you have, in the last group of digits after the routing number.
- You can find your account number by logging into your bank's website or app and looking at your account summary or account details page.
- Calling your bank's customer service line will get you your account number within minutes if you don't have checks or online access.
- Your account number stays the same throughout the life of your checking account and is safe to share with employers, billers, and other financial institutions.
Reading the numbers on a check
A check has three separate number sequences at the bottom. From left to right, you'll see your bank's routing number (nine digits), then your account number (usually 10 to 12 digits), then the check number. The account number is always in the middle position. If the numbers are hard to read because the check is old or worn, order new checks from your bank or use one of the other methods below.
Not all banks print account numbers on checks the same way. Some banks put the account number before the routing number, so if you're unsure which is which, compare what you see on the check to the account number you find in your online banking portal — they should match exactly.
Finding it in your online banking account
Log into your bank's website or mobile app using your username and password. Look for a section labeled "Account Summary," "My Accounts," "Account Details," or "Account Information" — the exact name varies by bank. Your checking account number will be displayed prominently, often with the last four digits highlighted for security. Some banks show the full number; others show only the last four digits on the main page and require you to click into account details to see the complete number.
If you've forgotten your login information, use the "Forgot Password" or "Forgot Username" link on your bank's login page. You'll need to verify your identity using your Social Security number, date of birth, or answers to security questions you set up when you opened the account. Once you're logged in, your account number is usually visible within 30 seconds.
Calling your bank directly
Find the customer service number on the back of your debit card, on a recent bank statement, or on your bank's website. When you call, have your Social Security number, date of birth, and the last four digits of your debit card ready — the bank will use these to verify your identity before giving you any account information. Tell the representative you need your checking account number, and they'll read it to you.
Most banks have automated phone systems that can provide your account number without waiting for a representative. Listen to the menu options when you call; many banks offer a "Check Account Information" or "Hear Account Details" option that connects you to an automated system. This route is often faster than waiting on hold for a live person, especially during busy hours.
What to do if you can't find your account number
If you don't have checks, can't access online banking, and can't reach your bank by phone, visit a branch in person with a photo ID. A teller can look up your account number in seconds and write it down for you. Bring your debit card to make the process faster — the teller can scan it to pull up your account immediately.
If your bank has closed all nearby branches or you're unable to visit in person, try using your bank's mobile app if you have it installed. Even if you can't remember your password, the app sometimes displays your account number on the login screen or in a "Forgot Password" recovery flow. As a last resort, contact your bank through their website's chat or message feature — most banks respond within a few hours during business days.
Keeping your account number safe
Your account number is safe to share with people and organizations you trust — employers, payroll services, your mortgage lender, utility companies, and government agencies. These entities need it to deposit money into your account or withdraw authorized payments. However, don't share your account number with strangers, in unsecured emails, or on websites you don't recognize.
If you suspect someone has your account number and may use it without permission, contact your bank immediately. Banks can monitor your account for suspicious activity and can close your account and open a new one if fraud occurs. Your account number alone cannot be used to withdraw money without your routing number as well, and most transactions also require additional verification like a PIN or signature.
Account numbers for different account types
Each account you hold at a bank has its own unique account number. If you have a checking account and a savings account at the same bank, they have different account numbers. When you need to provide your account number, make sure you're giving the number for the correct account — if you're setting up direct deposit to your checking account, don't accidentally give your savings account number.
If you switch banks, your new bank will assign you a new account number. Your old account number becomes inactive once you close the account, but it remains tied to your old bank's records. This is why it's important to update your account information with employers and billers when you change banks — payments sent to your old account number will be rejected or returned.
Frequently Asked Questions
Is my account number the same as my routing number?
No. Your routing number identifies your bank (nine digits), while your account number identifies your specific account at that bank (usually 10 to 12 digits). Both appear on the bottom of your checks, but they are separate numbers. You need both to set up direct deposit or wire transfers.
Can someone steal money using just my account number?
Not easily. A thief would need both your account number and your routing number, plus authorization to withdraw funds. Most banks require additional verification like a PIN, signature, or online login credentials before processing a withdrawal. If you're concerned, contact your bank to review recent activity on your account.
What if I have multiple checking accounts at the same bank?
Each checking account has its own unique account number. When you need to provide your account number, specify which account you're referring to or double-check that you're giving the correct number. Your bank's online portal shows all your accounts and their numbers separately.
Do I need my account number to use my debit card?
No. Your debit card works with just your card number, expiration date, and CVV code. However, you do need your account number if you want to set up automatic bill payments, direct deposit, or transfers between accounts at different banks.
Will my account number change if I close and reopen my account?
Yes. If you close your checking account and later open a new one at the same bank, you'll receive a new account number. The old account number is deactivated and cannot be used for new transactions. Update your employer and billers with the new number to avoid payment delays.