A routing number is a nine-digit code that tells banks where to send your money
Your bank's routing number is a nine-digit identifier that the banking system uses to direct transfers to the correct financial institution. When someone sends you money by wire transfer, ACH transfer, or direct deposit, they use your routing number to make sure the funds land at your bank, not someone else's.
Think of it like a postal code for your bank. Your account number identifies which account at that bank receives the money; the routing number identifies which bank that is. Without the routing number, the transfer has nowhere to go.
Routing numbers are assigned by the American Bankers Association and are specific to each bank branch or banking institution. A large bank may have multiple routing numbers depending on where the account was opened or which division handles it. Credit unions and online banks have their own routing numbers too.
Key Takeaways
- A routing number is a nine-digit code that directs money transfers to your specific bank, while your account number identifies your individual account within that bank.
- You need your routing number whenever you set up direct deposit, receive a wire transfer, or authorize an ACH payment from your account.
- Your routing number appears on the bottom left of your checks, in your bank's online banking portal, or by calling your bank's customer service line.
- Routing numbers are safe to share because they only work in combination with your account number, and they are already printed on checks that go to merchants.
Where to find your routing number
The easiest place to locate your routing number is on a check from your checking account. Look at the bottom left corner of the check. You will see three groups of numbers: the routing number (nine digits) comes first, then your account number, then the check number on the right.
If you do not have checks or prefer not to look at them, log into your bank's online banking portal or mobile app. Most banks display your routing number in the account details or settings section, sometimes labeled "Bank Information" or "Account Information." You may need to click through to a page showing wire transfer details.
You can also call your bank's customer service number on the back of your debit card or on your monthly statement. A representative can give you the routing number over the phone in under a minute. Have your account number ready so they can confirm you are calling about the right account.
If you bank at a credit union, the same methods apply—check your statements, log into online banking, or call the credit union directly. Online banks display routing numbers just as clearly as traditional banks, usually in the account settings area.
When you need to provide your routing number
You will need your routing number whenever someone or an organization needs to deposit money directly into your account. The most common situations are direct deposit of your paycheck, tax refunds, government payments like Social Security or unemployment benefits, and insurance refunds.
You also provide your routing number when you set up automatic bill payments from your checking account, authorize an ACH transfer to move money between your accounts at different banks, or receive a wire transfer from another person or business. Some employers ask for it when you start a new job; some government agencies ask for it when you register for benefits.
If you are waiting for a refund—whether a tax refund, insurance refund, or business refund—and the organization offers direct deposit as a delivery method, you will enter both your routing number and account number so the money reaches you faster than a paper check would.
Why it is safe to share your routing number
Your routing number is not sensitive information in the way your Social Security number or PIN is. It is already printed on every check you write and is available to anyone who receives one. Merchants, landlords, and utility companies see your routing number regularly.
A routing number alone cannot be used to withdraw money or access your account. Someone would need both your routing number and your account number to initiate a transfer, and even then, most banks require additional verification before processing large or unusual transfers.
That said, you should not post your routing number publicly online or share it with someone you do not trust. The risk is not that they can steal money with the routing number alone, but that they could use it in combination with other information to commit fraud. Only provide your routing number to organizations you recognize and trust, such as your employer, your bank, or a government agency you are dealing with directly.
Routing number versus account number
These two numbers work together but serve different purposes. Your routing number identifies your bank. Your account number identifies your specific account within that bank. Both are required for most transfers.
If you think of your bank as a post office, the routing number is the zip code and the account number is the mailbox number. The postal service needs both to deliver a letter to the right place. Similarly, the banking system needs both numbers to send money to your account and not to someone else's account at the same bank.
Your account number is usually 10 to 12 digits long, though this varies by bank. It also appears on the bottom of your checks, to the right of the routing number. Some banks print it on statements and in online banking as well, sometimes with the first few digits hidden for security.
What to do if you cannot find your routing number
If you have tried checking your checks, logging into online banking, and calling your bank and still cannot locate it, ask to speak with a representative who handles account services. They can pull up your account and give you the correct routing number immediately. Have your account number or the last four digits of your Social Security number ready to verify your identity.
If you recently opened an account and have not received checks yet, your bank's online portal should still show the routing number. If it does not appear there, call the bank directly. New account representatives can provide it right away.
Be cautious of websites that claim to look up routing numbers for you. While some are legitimate, others may be phishing sites designed to collect personal information. The safest approach is always to contact your bank directly using the phone number on your debit card or a statement you received in the mail.
Routing numbers for different types of accounts
Most checking accounts at the same bank share the same routing number, but this is not always true. Some large banks assign different routing numbers based on the state where the account was opened, the type of account, or which division of the bank manages it.
If you have multiple accounts at the same bank—a checking account and a savings account, for example—they may or may not have the same routing number. The safest approach is to verify the routing number for the specific account you are using. Online banking will show you the correct number for each account.
Credit unions, online banks, and smaller regional banks each have their own routing numbers. If you switch banks or open a new account elsewhere, you will need to look up the new routing number for that institution. The number does not transfer with you.
Frequently Asked Questions
Can someone take money from my account if they have my routing number?
No. A routing number alone cannot be used to withdraw money. Someone would need both your routing number and your account number, and most banks require additional verification before processing transfers. Treat your routing number like information that is already public—it is on your checks—but do not share it carelessly.
Do I need a different routing number for wire transfers versus ACH transfers?
No. The same routing number works for both wire transfers and ACH transfers. Some banks may ask you to use a specific routing number for wire transfers, so check with your bank if you are sending a wire. For most situations, one routing number covers all transfer types.
What if I give someone the wrong routing number?
The transfer will likely be rejected or delayed. The receiving bank will not find a match for that routing number and account number combination and will send the money back to the sender. Contact the organization sending the money and provide the correct routing number so they can try again.
Does my routing number change if I move to a different state?
Usually not. Your routing number is tied to your bank and account, not to your location. However, some large banks assign routing numbers by state, so moving might mean your account gets a new routing number. Check with your bank after you move, or verify the routing number in your online banking portal to be sure.
Is the routing number the same for online bill pay and direct deposit?
Yes. The same routing number works for all types of transfers into and out of your account—direct deposit, bill payments, wire transfers, and ACH transfers. You only need to look it up once.