Capital One's routing number depends on which state you bank in
Capital One does not have a single routing number for all customers. The routing number you need depends on where your account is held and what type of transaction you are making. Most Capital One customers use routing number 051000017 for ACH transfers and bill payments, but some regional accounts use different numbers.
The routing number is a nine-digit code that tells the banking system which financial institution to send your money to. When you set up a direct deposit, pay a bill by bank transfer, or send money to another account, you will need to provide both your account number and the correct routing number so the payment reaches the right place.
If you use the wrong routing number, your payment may be delayed, rejected, or sent to the wrong bank. That is why it matters to confirm which one applies to your specific account before you initiate a transfer.
Key Takeaways
- Capital One's most common routing number is 051000017, which works for most ACH transfers and bill payments from Capital One checking and savings accounts.
- Some Capital One accounts, particularly those held through regional banks or older accounts, may use a different routing number — check your statements or online banking to be sure.
- You can find your routing number on the bottom left of your checks, in your online banking portal under account details, or by calling Capital One customer service.
- Wire transfers sometimes require a different routing number than ACH transfers, so confirm which type of transaction you are making before you provide the number.
- If a payment is rejected because of a wrong routing number, contact your bank and the recipient to correct it before resubmitting.
Where to find your routing number on your checks and statements
The easiest place to locate your routing number is the bottom left corner of any check from your Capital One account. The nine-digit number printed there is your routing number. The next set of numbers to the right is your account number.
If you do not have checks or prefer not to use them, log into your Capital One online banking account or mobile app. Go to your account details or settings section — the exact location varies depending on whether you use Capital One 360 (their online bank) or a Capital One checking account through a regional partner. The routing number is usually listed alongside your account number.
You can also call Capital One customer service at the number on the back of your debit card or on your statement. A representative can confirm your routing number in seconds and can also tell you if your account requires a different number for wire transfers or other specific transaction types.
The difference between routing numbers for ACH transfers and wire transfers
Most of your everyday payments — direct deposits, bill payments, transfers between your own accounts, and peer-to-peer transfers through apps like Venmo or PayPal — use ACH routing. For these, Capital One's routing number is 051000017.
Wire transfers, which move money faster but cost more and cannot be reversed, sometimes use a different routing number. If you are sending a wire transfer out of your Capital One account, ask Capital One directly which routing number to provide to the recipient's bank. Do not assume the ACH routing number will work for a wire.
The distinction matters because the two systems route money through different channels in the banking network. Using the wrong number for a wire transfer can cause the payment to be rejected or delayed by several days while the banks sort out where it should go.
What to do if a payment is rejected because of a wrong routing number
If you receive a message that a payment failed due to an invalid routing number, stop and verify the number before you try again. Log into your Capital One account, check a check, or call customer service to confirm the correct routing number for the type of transaction you are making.
Once you have the correct number, contact the person or company you were trying to pay and let them know you will resubmit with the right information. If the payment was already deducted from your account, it will typically be returned within one to three business days. Do not resubmit the payment until you see the original one back in your account.
If the money does not return after three business days, contact Capital One and provide them with the date, amount, and recipient. They can trace the payment and help recover it if it went to the wrong institution.
Capital One routing numbers for different account types
| Account Type | Routing Number | When to Use It |
|---|---|---|
| Capital One 360 Checking or Savings | 051000017 | ACH transfers, direct deposits, bill payments |
| Capital One Business Checking | 051000017 | ACH transfers, direct deposits, bill payments |
| Wire transfers (all account types) | Confirm with Capital One | Outgoing wire transfers only |
| Regional partner accounts | Varies | Check your statements or call customer service |
The routing number 051000017 covers most Capital One accounts opened directly through Capital One 360 or through their standard checking and savings products. If your account was opened through a regional bank partner or is an older account, your statement or check will show the correct number for your specific account.
How to set up a transfer using your routing number
Once you have your routing number, you can use it to set up transfers into or out of your Capital One account. If you are receiving money — such as a direct deposit from your employer — provide your employer's payroll department with your Capital One routing number and your account number. They will enter both into their system, and deposits will arrive on the schedule they set.
If you are sending money out of your Capital One account to another bank, log into your Capital One online banking portal and select "Transfer Money" or "Send Money." You will be asked to enter the recipient's bank routing number and account number. Double-check both before you confirm, because transfers can take one to three business days to complete and cannot always be stopped once they are sent.
For bill payments through Capital One's bill pay service, you typically do not need to enter a routing number — you just select the company you are paying from a list and enter the amount and due date. Capital One handles the routing on the back end.
Frequently Asked Questions
Is 051000017 the routing number for all Capital One accounts?
It is the routing number for most Capital One 360 accounts and standard Capital One checking and savings accounts. Some older accounts or accounts opened through regional bank partners may use a different number. Check your checks or statements to confirm, or call Capital One customer service.
Can I use the same routing number for wire transfers as I do for ACH transfers?
Not always. While 051000017 works for ACH transfers, wire transfers sometimes require a different routing number. Before you send a wire, contact Capital One and ask which routing number the recipient's bank should use. Do not assume the ACH number will work.
What happens if I give someone the wrong routing number?
The payment will likely be rejected or sent to the wrong bank. If money is deducted from your account, it will be returned within one to three business days. Contact the recipient and resubmit with the correct routing number once the original payment is back in your account.
Where do I find my routing number if I do not have checks?
Log into your Capital One online banking account or app and look for account details or settings. Your routing number is listed there alongside your account number. You can also call Capital One customer service at the number on your debit card or statement.
Do I need a routing number to use Capital One's bill pay service?
No. When you pay bills through Capital One's bill pay feature, you select the company from a list and enter the amount. Capital One handles the routing automatically. You only need a routing number when you are transferring money to another bank or setting up a direct deposit.