Where your account number appears on a check
Your checking account number is printed at the bottom of every check you write. It sits between two sets of numbers: the routing number on the left and a check number on the right. The account number is typically 10 to 12 digits long, though length varies by bank.
On a standard check, read from left to right at the bottom. You will see a nine-digit routing number first (this identifies your bank), then your account number, then a four or five-digit check number on the far right. The account number is the middle set of digits.
If your checks are blank or you have not ordered them yet, you do not need to wait. Your bank can tell you your account number over the phone, through online banking, or by looking at a deposit slip or bank statement.
Key Takeaways
- Your account number appears at the bottom center of every check, between the routing number and the check number.
- Account numbers are usually 10 to 12 digits long, but the exact length depends on your bank.
- You can find your account number on deposit slips, bank statements, and online banking portals without needing a check.
- Never share your full account number with anyone unless you initiated the contact and trust the recipient.
Finding your account number without a check
If you do not have checks available, your bank statement shows your account number clearly. Log into your online banking portal and look for "Account Summary" or "Account Details." Your account number will be listed there, usually near the top of the page.
A deposit slip (also called a deposit ticket) also displays your account number. If your bank gave you a book of deposit slips when you opened your account, the account number is printed on each one. You can also request deposit slips from your bank at any time.
Call your bank's customer service line and provide your name and Social Security number or other identifying information. A representative can read your account number to you over the phone. This is the fastest route if you need the number immediately.
Understanding what the account number means
Your account number is unique to you at that specific bank. Two people with accounts at the same bank will have different account numbers. The number itself does not encode information about your account type, balance, or history—it is simply an identifier that tells the bank which account is yours.
The account number stays the same for as long as you keep the account open. If you close the account and open a new one at the same bank, you will receive a new account number. Switching banks also means a new account number.
Why banks print the account number on checks
Checks are processed by machines that read the numbers at the bottom using a technology called MICR (Magnetic Ink Character Recognition). The routing number tells the processing system which bank to send the check to. The account number tells that bank which customer's account to debit. The check number helps you and your bank track which specific check was written.
This is why the numbers must be printed in a specific format and in magnetic ink—the machines cannot read handwriting or regular printed numbers. If you write a check and the account number is smudged or unclear, the check may be rejected or delayed.
Protecting your account number
Your account number is semi-public information. It appears on every check you write, and anyone who receives a check from you can see it. However, you should not volunteer your account number to strangers or enter it on websites you do not trust.
If someone calls you claiming to be from your bank and asks for your account number, hang up and call your bank directly using the number on your statement or card. Legitimate banks already know your account number and will not ask you to provide it unsolicited.
When you need to give your account number to set up direct deposit, automatic bill payments, or wire transfers, make sure you are communicating with the organization directly—not through a link in an email or text message.
Account numbers for different account types
Checking accounts, savings accounts, and money market accounts at the same bank each have their own account number. If you have multiple accounts at one bank, each one will be printed on its corresponding checks or statements.
When you set up direct deposit or automatic payments, you must specify which account number the transaction should go to. Using the wrong account number will send the money to the wrong account, though the bank can usually reverse the transaction if you catch the error quickly.
What to do if you cannot find your account number
If you have lost your checks and cannot access online banking, call your bank's customer service line. Have your name, address, and Social Security number ready. The representative will verify your identity and provide your account number.
If you are locked out of online banking, you can reset your password through the bank's website or call customer service to regain access. Once you are back in, your account number will be visible in the account summary section.
If you recently opened an account and have not received checks yet, the bank will have your account number on file. You can request it by phone or through online banking as soon as your account is active.
Frequently Asked Questions
Is my account number the same as my debit card number?
No. Your debit card has its own 16-digit number printed on the front. Your account number is separate and appears only at the bottom of checks and on statements. They are linked to the same account, but they are different numbers.
Can someone steal money from my account if they have my account number?
Not easily. A thief would also need your routing number and typically some form of authorization from you. However, never give your account number to someone you do not trust. If you suspect fraud, contact your bank immediately.
Do I need my account number to use my debit card?
No. You only need your debit card number, expiration date, and CVV to make purchases. Your account number is used for checks, direct deposit, wire transfers, and bill payments—not for everyday card transactions.
What if the account number on my checks is wrong?
Contact your bank right away. A misprint on checks can cause deposits or payments to go to the wrong account. Your bank can issue corrected checks or confirm the correct number for any transactions you need to make in the meantime.
Will my account number change if I change my account type?
Usually not. If you convert a checking account to a savings account or vice versa, the account number typically stays the same. However, if you close the account and open a new one, you will receive a new number. Ask your bank to confirm before making any changes.