Your account number is on your checks, your bank statement, and in your online banking portal
Your checking account number is a unique identifier your bank assigns to your account. It is different from your routing number and different from your debit card number. You need it when you set up direct deposit, arrange wire transfers, or give someone permission to withdraw money from your account.
The fastest way to find it depends on what you have in front of you right now. If you have a physical check, look at the bottom left. If you have a recent statement, look at the top. If you do not have either, log into your bank's website or app and look for account details or account information.
Key Takeaways
- Your account number appears on the bottom of every check you write, printed between the routing number and the check number.
- Bank statements show your account number at the top, usually labeled "Account Number" or "Acct #".
- Online banking portals display your account number in the account details or account summary section.
- If you cannot find it anywhere, call your bank's customer service line — the number is on your debit card or bank statement.
Reading the numbers on a check
A check has three sets of numbers printed at the bottom in magnetic ink. From left to right, they are: routing number, account number, and check number. The account number is usually 10 to 12 digits long, though this varies by bank.
The routing number comes first and identifies which bank branch holds your account. The account number comes in the middle and identifies your specific account at that bank. The check number on the far right is just for your records and changes with each check you write.
If you have a checkbook, any check will show all three numbers. You do not have to write the check or use it — just look at the printed numbers on the bottom.
Finding it on your bank statement
Paper statements and electronic statements both display your account number near the top of the page. Look for a line labeled "Account Number," "Acct #," or sometimes just "Account." The number appears next to it.
If you receive statements by mail, the account number is usually in the upper right corner or upper left corner, depending on your bank's format. If you view statements online, it is typically at the top of the document or in a header section.
Statements are sent monthly, so if you do not have a current one, you can log into your online banking portal and download a recent statement from there. Most banks let you retrieve statements going back several years.
Logging into online banking or your mobile app
Your bank's website and mobile app both show your account number without requiring you to dig through documents. Log in with your username and password, then look for a section called "Account Details," "Account Information," "My Accounts," or "Account Summary."
The account number is usually displayed prominently on this page, often alongside your account type (checking, savings, money market) and your current balance. Some banks also show it in a collapsible menu or under a tab labeled "Account Settings."
If you cannot find it in the obvious places, use the search function in your app or website and search for "account number." Most banking platforms will take you directly to the right page.
Calling your bank if you cannot locate it
If you have tried the above methods and still cannot find your account number, call your bank's customer service line. The number is printed on the back of your debit card, on any bank statement, or on your bank's website.
Have your identification ready — your bank will ask you to verify who you are before giving out account information. They may ask for your Social Security number, date of birth, or answers to security questions you set up when you opened the account.
Customer service representatives can read your account number to you over the phone, and some banks can email or text it to you as well. The call usually takes less than five minutes.
Why banks use different account number formats
Account numbers vary in length depending on your bank. Some banks use 8-digit numbers, others use 10, 12, or even 17 digits. This does not mean one bank is better or worse — it is just how each bank's system is designed.
The important thing is that your account number, combined with your routing number, uniquely identifies your account. When you give both numbers to someone (for direct deposit, for example), they have everything they need to move money in or out of your account. Never share your account number with someone you do not trust.
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 different from your account number. The card number is what you use to make purchases or withdraw cash. Your account number is what you use for bank transfers and direct deposit.
Can I use my account number to make purchases online?
No. Online purchases require your debit card number, expiration date, and CVV code. Your account number is for bank-to-bank transfers only. Never give your account number to a merchant or website.
What if I have multiple checking accounts at the same bank?
Each account has its own unique account number. If you log into online banking, you will see all your accounts listed separately, each with its own number. Checks from different accounts will also have different account numbers printed on them.
Do I need both my routing number and account number?
Yes, for most bank transfers and direct deposit setups. Your routing number tells the system which bank to use, and your account number tells it which account within that bank. Both are required together to move money accurately.