Bank of America account numbers have 10 digits
A Bank of America account number is always 10 digits long. You'll find it on the bottom left of your checks, in your online banking portal, on your debit card statements, or by calling customer service. The 10-digit number is unique to your specific account and is separate from your routing number, which identifies the Bank of America branch or processing center handling your account.
When you provide your account number to set up direct deposit, authorize a payment, or receive a wire transfer, you're giving out those 10 digits. Bank of America uses this number internally to track which account money should go into or come out of. It's not the same as your card number (which has 16 digits on a debit or credit card) or your routing number (which is 9 digits).
Key Takeaways
- Bank of America account numbers are always exactly 10 digits, regardless of account type.
- Your account number appears on checks, statements, and in your online banking profile, separate from your routing number and card number.
- You need both your 10-digit account number and your 9-digit routing number to set up direct deposit or receive wire transfers.
- Never share your full account number with anyone unless you initiated the transaction or verified the recipient is legitimate.
Where to find your 10-digit account number
The easiest place to locate your account number is on a check. Look at the bottom of the check: the first set of numbers on the left is your routing number (9 digits), and the second set is your account number (10 digits). If you don't have checks handy, log into your Bank of America online banking account or mobile app and look at your account details or account summary page—the account number is listed there.
You can also call Bank of America customer service at 1-800-432-1000 and provide your identification to have a representative read your account number to you. If you have a Bank of America debit card, you can sometimes find the account number on your monthly statement, though not always on the card itself. Statements sent by mail or available in your online account history will show the account number associated with that statement.
Account number vs. routing number vs. card number
These three numbers serve different purposes and are easy to confuse. Your routing number is 9 digits and identifies which Bank of America location or processing center handles your account. Your account number is 10 digits and identifies your specific account within that location. Your card number (on a debit or credit card) is 16 digits and is tied to that specific card, not your bank account itself.
When you set up direct deposit with an employer or receive a wire transfer, you'll need both your routing number and account number. When you use your debit card to make a purchase or withdraw cash, the card number is what's processed, but the transaction still pulls from your account using the account number in the background. If you lose your debit card and get a replacement, you'll receive a new card number, but your account number stays the same.
Why account numbers are 10 digits
Bank of America standardized on 10-digit account numbers to balance security with practicality. A 10-digit number creates enough possible combinations to give millions of customers unique identifiers without making the number so long that it becomes difficult to write down or remember. The length also allows the bank's systems to process transactions quickly and reliably across all their branches and processing centers.
Other banks use different lengths—some use 8 digits, others use 12—but within Bank of America, the standard is always 10. This consistency means that any Bank of America account number you encounter will follow the same format, making it easier to spot errors or fraud when numbers don't match the expected length.
Security considerations when sharing your account number
Your 10-digit account number alone cannot be used to withdraw money or make unauthorized transactions, but it should still be treated as sensitive information. Never share your account number with someone who contacted you unsolicited, even if they claim to be from Bank of America. Legitimate Bank of America representatives will never ask you to confirm your full account number over the phone unless you called them first.
When you provide your account number to set up direct deposit, pay a bill, or receive a transfer, verify that you initiated the request and that the recipient is legitimate. If you're giving your account number to an employer, utility company, or other organization, confirm their identity through an official website or phone number before sharing it. If you suspect your account number has been compromised, contact Bank of America immediately at 1-800-432-1000 to discuss your options.
What happens if you give out your account number
Providing your account number to a legitimate business for a legitimate transaction—such as setting up direct deposit or authorizing a payment you initiated—is safe and necessary. The account number alone does not give someone access to your account. To move money, a person would also need your routing number, and even then, most transactions require additional verification like a PIN, password, or signature.
If you accidentally share your account number with someone you don't trust, contact Bank of America right away. They can monitor your account for suspicious activity and, if needed, close the account and open a new one. The sooner you report the issue, the faster the bank can act to protect your money. Keep in mind that your account number may already be known to your employer, your mortgage lender, your insurance company, and other organizations you do business with—this is normal and expected.
Frequently Asked Questions
Can someone withdraw money from my account if they only have my account number?
No. Your account number alone is not enough to withdraw money. A person would need your account number, routing number, and additional verification like a PIN or password. If someone attempts an unauthorized transaction, Bank of America's fraud detection systems typically catch it, and you can dispute the charge.
Is my Bank of America account number the same as my card number?
No. Your account number is 10 digits and identifies your bank account. Your card number is 16 digits and identifies the specific debit or credit card. They are linked but separate. If you get a new card, your account number stays the same.
What do I do if I can't find my account number?
Log into your Bank of America online account or mobile app and look at your account details. You can also call 1-800-432-1000 and provide your identification to have a representative give you the number. If you have checks, the account number is printed on the bottom.
Do all Bank of America accounts have 10-digit account numbers?
Yes. Whether you have a checking account, savings account, money market account, or any other Bank of America account, the account number is always 10 digits. The format is consistent across all account types.
Why do I need both a routing number and an account number for direct deposit?
The routing number tells the sending bank which Bank of America location to send the money to. The account number tells that location which specific account to deposit it into. Together, they ensure your direct deposit reaches the correct account.