Your checking account number is printed on the bottom left of your checks, in the second set of numbers after the routing number
The account number appears on every check you write. Look at the bottom of a check in your checkbook. You will see three groups of numbers separated by vertical lines. The first group is your routing number (nine digits). The second group, usually eight to twelve digits, is your account number. The third group is the check number itself.
If you do not have checks in front of you, your bank can tell you the account number over the phone, through online banking, or by looking at a bank statement. You do not need to guess or calculate it — the bank has it on file and can read it to you in seconds.
Key Takeaways
- Your account number appears on the bottom left of every check, right after the routing number and before the check number.
- Online banking portals show your account number under account details or account information, usually on the main dashboard.
- A recent bank statement lists your account number at the top or in the account summary section.
- Calling your bank's customer service line and providing your name and Social Security number will get you the account number immediately.
- The account number is specific to you and that bank — it changes if you open a new account at the same bank.
Reading the numbers on a check
The bottom of a check contains what banks call the MICR line (Magnetic Ink Character Recognition). This line has three distinct sections, each separated by a vertical symbol that looks like a colon with extra marks.
From left to right: the routing number (9 digits), then your account number (usually 8 to 12 digits), then the check number (usually 4 to 5 digits). The account number is always the middle section. If you are unsure which section is which, the routing number is always exactly nine digits — that is the easiest way to identify it and know the account number comes next.
Finding it through online banking
Log into your bank's website or mobile app. Most banks display your account number on the main dashboard or home screen, often labeled "Account Number" or "Account Details." It may also appear under a section called "Account Information" or "My Accounts."
If you cannot find it on the main screen, look for a link or tab that says "Account Details," "Account Summary," or "View Account Information." Some banks hide it behind a security question or require you to click through to a specific account. The account number is not sensitive information in the way a password is — banks show it freely once you are logged in.
Locating it on a bank statement
Open any bank statement from your checking account, whether printed or digital. The account number usually appears at the top of the statement, near your name and address. It may also be listed in a section labeled "Account Summary" or "Account Information."
If you have statements from multiple accounts at the same bank, make sure you are looking at the statement for the checking account you need. Each account has its own number. Statements are often the easiest source if you do not use online banking regularly, since you can find the number without logging in.
Calling your bank directly
Pick up the phone and call the customer service number on the back of your debit card or on your bank statement. Have your name, date of birth, and Social Security number ready. The representative will verify your identity and then read your account number to you.
This method takes five to ten minutes and works even if you have lost your checks and do not have online access. Some banks also allow you to retrieve your account number through their automated phone system by entering your PIN, though this varies by bank.
What to do if you have multiple accounts
If you have more than one checking account at the same bank, each one has a different account number. Make sure you are looking at the correct account before you use the number. Checks from one account will have that account's number printed on them. Online banking will list all your accounts separately, each with its own number.
When you call the bank or visit in person, specify which account you need the number for — for example, "my primary checking account" or "the account I opened in 2022." The bank will not assume which one you mean if you have more than one.
Why you need it and where it goes
Your account number is required for direct deposit, wire transfers, automatic bill payments, and any time you need to give someone your banking information to send you money or withdraw funds. It is also needed when you set up transfers between your own accounts at different banks.
The account number alone is not enough to access your account — a person would also need your routing number and usually additional verification. It is safe to share your account number with employers, payroll services, and legitimate businesses that need to deposit money into your account or process payments.
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 the card and is different from your account number. The account number is what the bank uses internally to identify your checking account. You need the account number for transfers and direct deposits, not the debit card number.
Can I use my account number to withdraw money from an ATM?
No. ATMs require your debit card and PIN. Your account number is used for transfers, deposits, and payments — not for ATM withdrawals. If you lose your debit card, you can still access your account through online banking or by calling the bank.
What if the numbers on my check are smudged or hard to read?
Call your bank or log into online banking to get a clear copy of your account number. Do not guess or try to read faded numbers. Your bank can confirm the correct number in seconds, and using the wrong number will cause a transfer or deposit to fail or go to the wrong account.
Does my account number change if I move to a different branch?
No. Your account number stays the same no matter which branch you visit or which location processes your transactions. The account number is tied to the account itself, not to a physical location. It only changes if you close the account and open a new one.