The fastest way to find your routing number
Your routing number is printed on the bottom left of your checks, if you have them. Look at any check from your account — the first nine digits on the bottom left edge are your routing number. If you do not have checks or cannot find them, call your bank's customer service number on the back of your debit card or on your bank's website. They will give you the number in under a minute.
If you need it right now and cannot reach your bank, your bank's website usually has a "routing number lookup" tool. You enter your state and bank name, and it shows you the number. This works because routing numbers are public information — they identify which bank processes your account, not the account itself.
The routing number never changes as long as you keep your account at the same bank. If you switch banks, you get a new routing number because a different bank now processes your payments.
Key Takeaways
- Your routing number appears as the first nine digits on the bottom left of any check you have.
- Calling your bank's customer service line will give you the number within minutes, and the number is on the back of your debit card.
- Your bank's website usually has a routing number lookup tool where you enter your state and bank name.
- The routing number stays the same for the life of your account unless you change banks.
- Routing numbers are public information and do not identify your specific account, so sharing one is safe.
Finding it on your checks
If you have a checkbook, this is the simplest method. Open any check and look at the bottom edge. You will see three groups of numbers printed in a special magnetic ink. The first group — always nine digits — is your routing number. The second group is your account number. The third is the check number.
The routing number is the same on every check in your book. You can use any check to find it. If your checks are old or faded, the number may be harder to read, but it will still be there.
Calling your bank directly
Pick up the phone and call the customer service number on the back of your debit card or on your bank's website. Tell them you need your routing number. They will ask you to verify your identity — usually your account number and the last four digits of your Social Security number — and then give you the number.
This takes about two minutes. Bank customer service lines are open during business hours, and many banks now offer 24-hour phone support. If you call outside business hours, you may reach an automated system that can still help you find the number.
Using your bank's website or app
Log into your online banking account or mobile app. Look for a section called "Account Information," "Account Details," or "Routing Number." Most banks display your routing number right there alongside your account number. If you cannot find it, use the search function in the app or website and type "routing number."
Some banks also have a "routing number lookup" tool on their main website that does not require you to log in. You select your state and enter your bank's name, and it shows you the routing number. This is useful if you have forgotten your login or do not have online banking set up yet.
What to do if you cannot find it
If you have tried the methods above and still cannot locate your routing number, contact your bank's main branch directly. You can find the phone number by searching "[Your Bank Name] customer service" online. Have your account number ready — the bank will use it to look up your routing number.
If you are setting up direct deposit at a new job or paying a bill online and need the routing number when ready, ask your employer or the organization collecting the payment if they can look it up for you. Many payroll systems and bill payment services have routing number databases and can find it in seconds.
Why banks use routing numbers
A routing number tells the banking system which bank to send your money to. When you set up direct deposit, pay a bill by check, or send money via wire transfer, the routing number directs the payment to the correct bank. Without it, the banking system would not know where your account lives.
Think of it like a postal address for your bank. Your account number is like your apartment number — it identifies you within that bank. The routing number is the street address — it identifies which bank processes your account. Both pieces together tell the system exactly where to send money.
Frequently Asked Questions
Is it safe to give someone my routing number?
Yes. Your routing number is public information — it identifies your bank, not your account. Someone with only your routing number cannot access your money or open accounts in your name. You need both the routing number and your account number to transfer money, and even then, most banks require additional verification.
Do I need a routing number if I only use my debit card?
Not for everyday purchases. You only need a routing number when you set up direct deposit, pay bills by check or bank transfer, or receive wire transfers. If you never write checks or use online bill pay, you may never need it. But it is good to know where to find it just in case.
What if I have accounts at multiple banks?
Each bank has its own routing number. If you have a checking account at Bank A and a savings account at Bank B, they have different routing numbers. Write down which routing number belongs to which account so you do not mix them up when setting up direct deposit or transfers.
Can my routing number change?
It stays the same as long as you keep your account at the same bank. If your bank merges with another bank, your routing number may change — the bank will notify you by mail. If you close your account and open one at a different bank, you get a new routing number because a different bank now processes your account.