Your account number is the second set of digits printed on the bottom left of your check, after the routing number.
The bottom of every check contains three separate numbers printed in magnetic ink. Reading from left to right, you see the routing number first (nine digits), then your account number (typically 10 to 12 digits), and finally the check number (usually 4 digits on the right side). Your account number identifies which specific account at your bank the check draws from.
The account number is always the middle set of numbers. It starts right after the routing number ends and stops before the check number begins. On most checks, these three numbers are separated by small vertical lines or symbols to make them easier to read.
If you cannot find the account number on your check, you can also find it on your bank statement, in your online banking portal, or by calling your bank's customer service line. Your bank can confirm the number in seconds.
Key Takeaways
- The account number is the middle set of digits on the bottom of your check, positioned between the routing number and the check number.
- Account numbers are typically 10 to 12 digits long and printed in magnetic ink at the bottom left of the check.
- You can verify your account number by checking your bank statement, logging into online banking, or contacting your bank directly.
- The account number stays the same for every check you write from that account, even though the check number changes.
How the three numbers are arranged
Banks print the routing number, account number, and check number in a specific order so sorting machines can read them automatically. The routing number comes first and tells the banking system which bank holds the account. The account number comes second and tells the bank which customer account to pull money from. The check number comes last and helps you track which individual check this is.
All three numbers appear in the same line at the bottom of the check. They use a special font called MICR (Magnetic Ink Character Recognition) so machines can scan them quickly. The numbers are always in the same position on every check from your account, which is why you can find them reliably every time.
Why you need to know your account number
You need your account number when you set up direct deposit, arrange automatic bill payments, or receive a wire transfer. Employers use it to deposit your paycheck. Utility companies use it to withdraw monthly payments. Banks use it when you transfer money between your own accounts or send money to someone else.
When you give someone your account number for these purposes, you should always give them your routing number at the same time. The two numbers work together—the routing number directs the money to your bank, and the account number directs it to your specific account within that bank. Without both numbers, the transaction cannot go through.
Finding your account number if you do not have a check
If you have not ordered checks yet or do not have one handy, your bank statement shows your account number at the top or in the account information section. Most statements print it clearly so you can find it in seconds. Online banking portals also display your account number in the account details or settings area.
You can also call your bank's customer service number, which appears on the back of your debit card or in your account paperwork. Tell them you need your account number and routing number, and they will provide both. This takes less than a minute and requires only your name and the last four digits of your Social Security number or date of birth to verify your identity.
Account number versus check number
The account number and check number are different things and serve different purposes. Your account number stays the same for every check you write from that account—it never changes. Your check number changes with each individual check you write. The first check in a new box might be numbered 1001, the second 1002, and so on.
Banks use the check number to track which specific check you are writing and to match it against your bank statement later. If you write a check and it never clears, the bank can look up that specific check number to investigate. The account number, by contrast, identifies the account itself and remains constant throughout the life of the account.
What happens if someone has your account number
Sharing your account number alone is generally safe. Banks need both your routing number and account number to move money, and even then, most transactions require additional verification. However, you should not share your account number with people you do not trust or on websites that do not look legitimate.
If you are concerned that your account number has been compromised, contact your bank immediately. They can monitor your account for suspicious activity and issue you a new account number if necessary, though this is rare. Your bank can also place a fraud alert on your account and help you dispute any unauthorized transactions.
Frequently Asked Questions
Is the account number the same on every check I write?
Yes. Your account number never changes as long as you keep the same account open. Every check from that account has the same account number printed on it. The only number that changes is the check number, which increments with each new check.
Can I use just my account number to receive a direct deposit?
No. You need both your routing number and your account number. The routing number tells the employer's bank which bank to send the money to, and the account number tells your bank which account to deposit it into. Without both, the deposit will fail.
What if the numbers on my check are smudged or hard to read?
Contact your bank and ask them to confirm your routing number and account number. They can provide both numbers clearly over the phone. You can also log into online banking or check your most recent bank statement, both of which display these numbers in plain text.
Does my debit card have my account number on it?
No. Your debit card has a card number, which is different from your account number. The card number is what you use to make purchases or withdraw cash. Your account number appears only on checks and in your bank's records.