Where to find your account number
Your checking account number is printed on the bottom left of every check you write, right after the routing number. It is a string of 8 to 12 digits, depending on your bank. If you have checks on hand, that is the fastest place to look.
If you do not have a check, log into your bank's website or mobile app. Your account number appears on the account overview page, usually near the top. Most banks also print it on statements — both paper and digital versions show it clearly.
You can also call your bank's customer service line or visit a branch in person. Have your ID ready. A teller or phone representative can read it to you in seconds.
Key Takeaways
- Your checking account number is on the bottom left of your checks, after the routing number.
- You can find it by logging into your bank's website or app under your account details.
- Paper and digital bank statements both display your account number.
- Calling your bank or visiting a branch will get you the number when ready if you cannot locate it yourself.
What the account number is used for
Your account number identifies your specific checking account at your bank. It is used when you set up direct deposit, arrange automatic bill payments, or receive wire transfers. Anyone you give it to — an employer, a utility company, a creditor — uses it to send money to or pull money from your account.
The account number alone is not enough to access your account or move money without your permission. You also need the routing number (which identifies your bank) and usually your PIN or online password. Together, the routing number and account number form the pair that directs money to the right place.
Why you might need it
Direct deposit is the most common reason. Your employer needs both your routing number and account number to deposit your paycheck automatically. Setting up automatic bill payments — for utilities, insurance, loan payments — requires the same information.
You may also need it when you receive a wire transfer from another person or organization, when you are setting up a payment plan with a creditor, or when you are transferring money between your own accounts at different banks. Some online services ask for it to verify your identity or to link your bank account to their platform.
Keeping your account number safe
Your account number is not a secret in the same way your PIN or password is. It is printed on every check you write, and you have to share it with employers and service providers. However, you should still be cautious about who you give it to.
Do not share your account number in response to an unsolicited email, text, or phone call — even if the message appears to come from your bank. Your bank will never ask you to confirm your account number by email or text. If someone contacts you claiming to be from your bank and asks for account details, hang up or close the message and call your bank directly using the number on your card or statement.
If you lose a checkbook or suspect someone has your account number without permission, contact your bank when ready. They can monitor the account for unauthorized activity and issue you a new account number if necessary.
What happens if you give out your account number
Sharing your account number with a legitimate business — your employer, your utility company, your mortgage lender — is normal and necessary. These organizations use it only to move money as you have instructed them to.
If you give your account number to someone you do not know or trust, or if it is stolen, that person could attempt to withdraw money from your account or set up unauthorized automatic payments. This is why monitoring your account regularly matters. Check your bank statement or app at least weekly to catch any transactions you did not authorize.
If you spot unauthorized activity, report it to your bank right away. Most banks have fraud departments that investigate and can reverse unauthorized charges. The sooner you report it, the faster they can act.
Account number versus routing number
These two numbers work together but do different jobs. Your routing number identifies your bank — it is the same for every customer at that bank. Your account number identifies your specific account within that bank. Think of the routing number as the bank's address and the account number as your mailbox number.
Both appear on the bottom of your checks in this order: routing number first (nine digits), then account number (8 to 12 digits). When you set up direct deposit or automatic payments, you need both numbers. If you provide only one, the transaction will not go through.
If you cannot locate your account number
Start with the easiest option: check any checks you have written. If you do not have checks, log into your bank's website or app — the account number is always visible there. If you do not have online access set up, call your bank's customer service number (on the back of your debit card or on your most recent statement) and ask them to provide it.
You can also visit a branch in person with your ID. A teller can write down both your routing number and account number for you. This takes a few minutes and requires no advance notice.
Frequently Asked Questions
Is my account number the same as my debit card number?
No. Your debit card number is different from your account number. The card number is printed on the front of your card. Your account number is on your checks and in your online banking portal. You need the account number for direct deposit and automatic payments, not the card number.
Can someone access my account with just the account number?
Not without additional information. Your account number alone does not let someone log in or move money. They would also need your PIN, password, or other verification. However, someone with your account number and routing number could attempt to set up an unauthorized automatic payment, which is why you should monitor your account regularly.
Do I need my account number to use my debit card?
No. You use your debit card number, expiration date, and CVV to make purchases or pay bills online. You need your account number only for direct deposit, automatic payments, and wire transfers — transactions that move money directly from your bank account.
What if I have multiple checking accounts at the same bank?
Each account has its own account number. When you log into your bank's website or app, you will see all your accounts listed separately, each with its own number. Make sure you are using the correct account number for the transaction you are setting up.
Can my bank change my account number?
Your bank can issue you a new account number if your account is compromised or if you request it, but this is uncommon. If your account number changes, your bank will notify you and provide the new number. Any automatic payments or direct deposits you have set up will need to be updated with the new number.