Your routing number is a nine-digit code that identifies which bank or credit union holds your account
The routing number is printed on the bottom left of every check you receive from your bank. It tells the banking system which financial institution to send money to when someone pays you by check, ACH transfer, or wire. Without it, a payment meant for your account could end up nowhere.
You do not need to memorize it or write it down separately — it is always the same for your bank, and you can find it in seconds whenever you need it. The routing number is public information; sharing it does not put your account at risk the way sharing your account number or PIN would.
Key Takeaways
- Your routing number appears as the first nine digits on the bottom left of any check from your checking account.
- The routing number identifies your bank or credit union, not your individual account — all customers at the same bank share the same routing number.
- You can also find your routing number on your bank's website, by calling customer service, or through the Federal Reserve's routing number search tool.
- Routing numbers are public and safe to share; they are required to receive ACH transfers, wire transfers, and check deposits.
How to read the routing number on a check
Look at the bottom of any check. You will see three groups of numbers separated by colons or special symbols. The first group of nine digits is your routing number. For example, if you see 021000021:1234567890:123, the routing number is 021000021.
The middle nine digits are your account number — the one unique to you. The last group is the check number. The routing number never changes as long as you bank at the same institution, even if you open new accounts or move branches.
Where else to find your routing number
If you do not have a check in front of you, your bank's website usually lists the routing number on the login page or in the account details section. Log in to your online banking portal and look for "account information" or "bank details." Most banks display it prominently because customers need it often.
You can also call your bank's customer service number — it is on the back of your debit card or on your monthly statement — and ask for your routing number. They will give it to you immediately. If you bank at a credit union, the same process applies; call the number on your card or statement.
The Federal Reserve maintains a public routing number search tool at frbservices.org. Enter your bank name and state, and it will return the routing number. This tool is useful if you have switched banks and cannot remember which routing number belongs to which institution.
Why you need your routing number
Routing numbers are required for direct deposit of paychecks, tax refunds, and government payments like Social Security or unemployment benefits. When your employer or a government agency needs to deposit money into your account, they ask for both your routing number and your account number.
You also need your routing number to set up automatic bill payments from your checking account, to receive ACH transfers from other people or businesses, and to initiate wire transfers. If someone is sending you money and asks for your banking information, they are asking for your routing number and account number.
The difference between routing number and account number
The routing number identifies your bank; the account number identifies you within that bank. Think of the routing number as the bank's address and the account number as your mailbox number. Together, they tell the banking system exactly where to send your money.
If you have multiple accounts at the same bank — a checking account and a savings account, for example — they share the same routing number but have different account numbers. This is why you must provide the correct account number along with the routing number when setting up a transfer or deposit.
What happens if you give the wrong routing number
If you provide an incorrect routing number, the payment will be sent to the wrong bank. The receiving bank will usually reject it and send it back to the sender, which delays your money by several days or weeks. You will not receive the funds until the sender corrects the information and tries again.
This is why it is worth double-checking the routing number before you give it to an employer, government agency, or anyone else sending you money. Copy it directly from a check or your bank's website rather than relying on memory.
Routing numbers for tax refunds and government payments
When you file your tax return and request a direct deposit refund, the IRS asks for your routing number and account number. The same applies to state tax refunds, unemployment benefits, stimulus payments, and other government transfers. The routing number ensures your money reaches your specific bank.
If you are waiting for a tax refund or other government payment and you provided the wrong routing number, the payment will bounce back to the agency. You will have to contact them to correct it, which can add weeks to the process. Check your bank statement or a recent check before submitting your tax return to make sure the routing number is correct.
Frequently Asked Questions
Is it safe to give someone my routing number?
Yes. Your routing number is public information and does not grant access to your money. It is required to receive deposits and transfers. Never share your account number, PIN, or online banking password, but the routing number is safe to provide to employers, government agencies, and anyone sending you money.
Do all banks have the same routing number?
No. Each bank and credit union has its own routing number. Large banks may have multiple routing numbers if they operate different divisions or acquired other banks. If you are unsure which routing number belongs to your bank, check a recent check or call customer service.
What if my bank merged with another bank?
Your routing number may change after a merger. Contact your bank to confirm whether your routing number is still the same or if you need to update it for future deposits and transfers. Check your most recent statement or log into online banking to see the current routing number.
Can I find the routing number on my debit card?
No. Debit cards do not display the routing number. You will find it on a check, your bank's website, or by calling customer service. The routing number is only printed on checks because checks are the primary tool that requires it.
Do I need a different routing number for each type of transfer?
No. The same routing number works for direct deposit, ACH transfers, wire transfers, and bill payments. You only need one routing number per bank account, regardless of how the money is being sent to you.