Chase account numbers are 10 digits long

A Chase checking or savings account number is always 10 digits. When you look at a check or your online banking portal, you will see this 10-digit number printed or displayed as your account identifier. This is the number Chase uses internally to route transactions to your specific account.

The 10-digit account number is distinct from your routing number, which is a separate 9-digit code that identifies Chase as the bank. Together, these two numbers — routing number and account number — make up the information needed to send money to or from your Chase account through the banking system.

Key Takeaways

  • Chase account numbers are always 10 digits, whether you have a checking account, savings account, or money market account.
  • Your account number appears on the bottom left of your checks, in your online banking dashboard, and on statements.
  • The 10-digit account number works together with Chase's 9-digit routing number to complete your banking information for transfers and direct deposits.
  • If you see a number that looks longer or shorter, you may be looking at a different identifier like a card number or customer ID rather than your account number.

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: you will see three sets of numbers. The first set (on the left) is the routing number. The middle set is your 10-digit account number. The third set (on the right) is the check number itself.

If you do not have checks available, log into your Chase online banking account or mobile app. Your account number appears in the account details section, usually labeled "Account Number" or "Account Information." You can also call Chase customer service at the number on the back of your debit card, and a representative will read your account number to you over the phone.

Your monthly statement also displays the account number at the top or in the account summary section. Some statements show it in full; others may mask some digits for security when printed.

Why account numbers are always 10 digits at Chase

Chase standardized its account numbering system to 10 digits across all account types — checking, savings, money market, and others. This uniform length makes it easier for the bank's internal systems to process transactions consistently and reduces errors when account numbers are entered manually or transmitted electronically.

The 10-digit format is also a practical choice for the banking industry. It is long enough to create millions of unique account numbers without being so long that it becomes difficult for customers to write down or remember. Other major banks use similar lengths: Bank of America uses 10 digits, Wells Fargo uses 10 digits, and most large institutions fall in the 8 to 12 digit range.

Account numbers versus other Chase identifiers

It is straightforward to confuse your account number with other numbers Chase assigns to you. Your Chase customer ID is a different number used for customer service purposes and is often longer than 10 digits. Your debit card number is 16 digits. Your credit card number is also 16 digits. Your routing number is 9 digits.

When you are setting up a direct deposit, making a wire transfer, or giving banking information to an employer or creditor, you need your 10-digit account number, not your card number or customer ID. Using the wrong number will cause the transaction to fail or route to the wrong account.

What happens if you enter the wrong number of digits

If you provide a number that is too short or too long, the receiving bank's system will typically reject it before the transaction processes. Most banking platforms validate the length of the account number before sending it through the payment network, so you will usually get an error message telling you the number is invalid.

If somehow a transaction does go through with an incorrect account number, it may land in a suspense account at Chase or the receiving bank, and the funds will eventually be returned to you. This process can take several business days. For this reason, it is worth double-checking the account number before you submit any transfer or direct deposit instruction.

Using your account number safely

Your 10-digit account number is semi-public information — you give it out whenever you set up direct deposit, authorize a wire transfer, or provide banking details to a creditor. However, it should not be shared casually or with people you do not trust.

Someone with your account number and routing number can theoretically initiate an ACH debit from your account, though Chase and other banks have fraud protections in place. Never share your account number in an email, text message, or unsecured channel. If Chase contacts you, they will already have your account number on file and will not ask you to provide it to verify your identity.

Frequently Asked Questions

Can a Chase account number be longer or shorter than 10 digits?

No. Chase account numbers are always exactly 10 digits. If you see a longer or shorter number associated with your account, it is a different identifier — such as your customer ID, card number, or routing number — not your account number.

Is the account number the same for checking and savings accounts?

No. Each account you open at Chase receives its own unique 10-digit account number. If you have both a checking and savings account, they will have different account numbers, though they may share the same routing number.

What is the routing number, and how does it differ from the account number?

The routing number is a 9-digit code that identifies Chase Bank as the institution. Your 10-digit account number identifies your specific account within Chase. Both numbers are required to send money to your account from outside sources like employers or other banks.

Can I change my account number?

Chase does not allow you to change your account number. If you need a new account number for security reasons, you would need to close your current account and open a new one, which comes with its own account number. Contact Chase directly to discuss whether this is necessary for your situation.

Why do I see different numbers on my check?

A check has three sets of numbers at the bottom: the 9-digit routing number on the left, your 10-digit account number in the middle, and the check number on the right. The check number is unique to that individual check and is not your account number.