Mail your payment to the IRS service center that handles your state

The IRS does not have a single mailing address. Where you send a check or money order depends on which state you live in and what type of payment you are making. The IRS publishes a list of service centers by state on its website, and you can also find the correct address on your tax return instructions or on the back of your tax notice.

If you are paying income tax, the address will be different from the one you use for a payment plan or an amended return. Using the wrong address delays processing and can create confusion about which account your payment belongs to. The IRS processes mail at regional centers, and sending to the wrong location means your payment sits in a queue longer before it reaches the right department.

Do not mail payments to the IRS office in your city or to the address listed on a tax notice you received years ago. Those addresses change, and local offices do not process payments. Always check the current instructions before you mail.

Key Takeaways

  • The IRS publishes a state-by-state list of mailing addresses on its website and in the instructions that come with tax forms.
  • Income tax payments, payment plan payments, and amended return payments each go to different addresses.
  • Mailing to the wrong address delays processing but does not cause your payment to be lost permanently.
  • Include your name, address, Social Security number or employer identification number, and tax year on the check or money order itself.
  • Mail payments at least two weeks before the deadline to account for postal delays.

How to find the correct mailing address for your state

The IRS website has a page titled "Where to File" that lists addresses by state. You can search for your state and see the address for the service center that handles your type of return. The page also shows addresses for different payment types: individual income tax, business tax, employment tax, and excise tax.

If you received a tax notice from the IRS, the back of the notice usually shows the mailing address for that particular issue. If you are responding to a notice about an audit, a payment plan, or a collection matter, use the address on the notice itself rather than the general service center address. The notice is routed to a specific department, and using that address ensures your payment reaches the right place.

The tax form instructions (Form 1040 for individual returns, for example) also list the mailing address for your state. If you are filing a paper return and mailing a payment at the same time, use the address in the form instructions.

What information to write on your check or money order

Write your name, address, Social Security number or employer identification number, daytime phone number, and tax year on the front of the check or money order. Write the type of tax and the form number on the memo line. For example: "1040 2023" or "1040-ES Q4 2024."

Do not send cash. The IRS will not accept it, and cash sent through the mail can be lost or stolen. A check or money order creates a record that you sent the payment and when.

Make the check payable to "United States Treasury," not to the IRS or to a specific office. If you are paying a business tax, you may need to make it payable to a different entity; check the instructions for your specific form.

Mailing deadlines and processing time

Mail your payment at least two weeks before the tax deadline. The IRS uses the postmark date on your envelope, not the date the payment arrives, to determine whether you paid on time. However, mail can take longer than expected, especially during tax season when volume is high.

After the IRS receives your payment, it typically takes four to six weeks to post to your account. During this time, you may see the payment as pending or unprocessed if you check your account online. Do not assume the payment was lost if you do not see it reflected immediately.

If you are paying a balance due with your return, mail both the return and the payment together in the same envelope. If you are paying an amount you owe from a prior year, mail the payment to the address on your notice or on the "Where to File" page for payment-only submissions.

Tracking your payment after you mail it

Use certified mail with return receipt if you want proof that the IRS received your payment. This costs a few dollars extra but gives you a tracking number and a signature confirmation. Keep the receipt in case you need to show the IRS that you mailed the payment on time.

After you mail the payment, you can check the status of your account through IRS.gov using your Social Security number or employer identification number. The "Where's My Refund" tool shows refund status, and the "What You Owe" tool shows payment history. Your mailed payment may not appear in these tools for several weeks.

If your payment does not appear after eight weeks, contact the IRS at 800-829-1040 to confirm receipt. Have your check number, the amount, and the date you mailed it ready.

Payment addresses by region

RegionStates IncludedService Center
NortheastCT, DE, MA, MD, ME, NH, NJ, NY, PA, RI, VTAndover, MA
SoutheastAL, AR, FL, GA, KY, LA, MS, NC, SC, TN, VA, WVAtlanta, GA
MidwestIL, IN, IA, KS, MI, MN, MO, NE, ND, OH, SD, WIKansas City, MO
SouthwestAZ, NM, OK, TXAustin, TX
WestAK, CA, CO, HI, ID, MT, NV, OR, UT, WA, WYOgden, UT

This table shows the general regional centers, but the IRS website lists the exact street address for each state. Some states may route payments to a different center depending on the type of tax or the nature of the payment. Always verify the address on the IRS website or on your tax notice before mailing.

What happens if you mail to the wrong address

If you mail your payment to an incorrect address, it will eventually reach the correct service center, but processing will be delayed. Mail that arrives at the wrong location is forwarded or returned to the sender. If it is forwarded, your payment may take an additional two to four weeks to post to your account.

The IRS does not penalize you for mailing to the wrong address as long as your payment arrives by the deadline (based on the postmark date). However, if the delay causes your payment to arrive after the deadline, you may owe interest and penalties on the unpaid balance.

If you are concerned that your payment went to the wrong address, contact the IRS with your check number and the address where you mailed it. The IRS can search for the payment and confirm where it was received.

Frequently Asked Questions

Can I mail a payment for a prior year tax return?

Yes. Mail it to the address listed on the IRS notice you received for that year, or use the "Where to File" page on the IRS website and select the prior tax year. Include the tax year on your check. Processing may take longer because the payment goes to a different department than current-year payments.

What if I mail a payment but then file an extension or payment plan?

The payment will still be credited to your account once it is received and processed. If you set up a payment plan after mailing a payment, tell the IRS about the payment when you set up the plan so they do not count it twice. The payment will reduce the amount you owe under the plan.

Do I need to mail a payment if I set up an online payment plan?

No. If you set up a payment plan through IRS.gov or by phone, you do not mail a payment. The IRS will deduct payments from your bank account or accept credit card payments as part of the plan. Mailing a separate payment could cause confusion about which account it belongs to.

How long does it take for a mailed check to clear?

The IRS typically takes four to six weeks to process a mailed payment after it arrives. The postmark date is what matters for the deadline, not when the check clears. Your account may show the payment as pending for several weeks before it is fully posted.

What if my payment arrives after the tax deadline?

If the postmark date is on or before the deadline, the IRS treats it as on-time. If the postmark is after the deadline, you will owe interest on the unpaid balance from the original deadline date. You may also owe a failure-to-pay penalty, though the IRS sometimes waives it if you have a good payment history.