Chase account numbers have 10 digits
A Chase bank account number is 10 digits long. You'll find it on the bottom left of your checks, in your online banking portal, or by calling Chase customer service. The account number itself is just those 10 digits — nothing more, nothing less.
When you see your full account information printed or displayed, it often appears alongside your routing number (which is 9 digits for Chase) and your name. The routing number and account number together let money move in and out of your account, but they serve different purposes. The routing number tells the banking system which Chase branch or processing center to send the payment to; the account number identifies which specific account within Chase receives or sends the money.
Key Takeaways
- Chase account numbers are always 10 digits, and you can find yours on a check, in the Chase mobile app, or by logging into your online account.
- The 10-digit account number works together with Chase's 9-digit routing number to process transfers, direct deposits, and bill payments.
- Never share your full account number with anyone who contacts you unsolicited, even if they claim to be from Chase.
- If you need to provide your account number for a legitimate transaction, confirm you're dealing with Chase directly before sharing it.
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'll see three sets of numbers. The first set (9 digits) is the routing number. The second set (10 digits) is your account number. The third set is the check number itself.
If you don't have checks handy, log into your Chase online banking account or open the Chase mobile app. Your account number appears in the account details section, usually labeled "Account Number" or "Account Info." 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 after verifying your identity.
Why account numbers are 10 digits at Chase
Chase standardized its account numbers at 10 digits to create a consistent format across all its accounts and branches. This length gives Chase enough combinations to issue unique numbers to millions of customers without running out. Other banks use different lengths — some use 8 digits, others use 12 or more — but within Chase, 10 is the standard.
The 10-digit format also works with automated clearing house (ACH) systems, wire transfer networks, and bill payment processors that expect account numbers within a certain range. When you set up direct deposit, pay a bill online, or send money to another bank, the system reads your 10-digit account number to route the transaction correctly.
Account numbers versus routing numbers
People often confuse account numbers and routing numbers because both appear on checks and both are needed for transfers. Here's the difference: your routing number (9 digits at Chase) identifies which bank or branch processes your account. Your account number (10 digits) identifies your specific account within that bank.
Think of it like an address. The routing number is the city and state; the account number is the house number and street. You need both pieces of information for money to reach the right place. If you give someone only your account number without the routing number, they won't know which bank to send the money to. If you give only the routing number, they won't know which account to deposit into.
Security: when and how to share your account number
Share your 10-digit account number only when you initiate a transaction or when you're certain you're dealing with Chase directly. Legitimate reasons to provide it include setting up direct deposit with your employer, paying bills online, or receiving a wire transfer from someone you know.
Never give your account number to someone who calls or emails you unsolicited, even if they claim to represent Chase. Chase will never ask for your full account number via email or unsolicited phone call. If someone contacts you asking for account details, hang up or delete the message, then call Chase yourself using the number on your debit card or bank statement. That way you know you're reaching the real bank, not a scammer.
What happens if you give out your account number
Giving your account number alone to the wrong person is less dangerous than giving your full banking details plus a PIN or password. Someone with only your account number and routing number can set up an ACH transfer out of your account, but they cannot log into your account or change your password. Chase's fraud protection covers unauthorized ACH transfers, and you can dispute them if you notice them.
If you suspect fraud, contact Chase immediately through the phone number on your card or statement. Report the unauthorized transfer, and Chase will investigate. You're typically not liable for fraudulent ACH transfers if you report them quickly, though the timeline varies depending on how soon you notice and report the activity.
Frequently Asked Questions
Can I change my Chase account number?
No, you cannot change your account number. It's tied to your account and remains the same for the life of that account. If you want a new account number, you would need to close your current account and open a new one, which creates a new account number. Most people don't do this unless they've experienced fraud or have another serious reason.
Is my account number the same across all my Chase accounts?
No. Each account you have at Chase — checking, savings, money market — has its own unique 10-digit account number. If you have multiple accounts, each one will have a different number. You can see all your account numbers by logging into your online banking or calling customer service.
What if I only have 9 digits or 11 digits when I look at my account number?
Double-check that you're looking at the right number. On a check, the account number is the middle set of digits at the bottom. If you're looking at your online account, make sure you're not accidentally reading the routing number (9 digits) or including extra characters. If you're still unsure, call Chase or visit a branch to confirm your correct 10-digit account number.
Do I need both my account number and routing number to receive a wire transfer?
Yes. Anyone sending you a wire transfer needs both your 10-digit account number and Chase's 9-digit routing number, plus your name as it appears on the account. Some wire transfer forms also ask for the bank's address or SWIFT code, but the account number and routing number are the essentials.