Send your federal tax return to the IRS service center for your state

The address where you mail your federal tax return depends on which state you live in. The IRS divides the country into regional service centers, and each one handles returns from specific states. If you mail to the wrong address, your return will be delayed — sometimes by weeks — while it gets rerouted to the correct center.

The IRS publishes the correct mailing address for your state in the instructions that come with the tax form you use (usually Form 1040 or the equivalent). You can also find the address on the IRS website under "Where to File" or by calling the IRS at 1-800-829-1040. The address changes occasionally, so check the current year's instructions rather than using an old envelope.

If you file electronically instead of mailing a paper return, you do not need a mailing address — the return goes directly to the IRS computer system. Electronic filing is faster and has a lower error rate than paper mail.

Key Takeaways

  • Each state has a specific IRS service center address, and mailing to the wrong one delays processing by weeks.
  • The correct address for your state appears in the instructions that come with your tax form or on the IRS website.
  • Do not use an address from a previous year — the IRS changes mailing addresses periodically.
  • Electronic filing sends your return directly to the IRS and is faster and more accurate than paper mail.
  • If you file on paper, include your Social Security number and check number on the envelope so the IRS can track it.

How to find the mailing address for your state

The IRS publishes a table of mailing addresses organized by state in the instructions for Form 1040 and most other individual tax forms. Look for the section titled "Where to File" or "Mailing Addresses." The table shows different addresses depending on whether you are filing a regular return, an amended return, or a return with a payment or refund.

You can also visit IRS.gov and search for "where to file" or "mailing addresses." The IRS website has a state-by-state list that you can download or view online. If you cannot find your state listed, call the IRS at 1-800-829-1040 and give them your state and zip code — they will tell you the correct address.

Write the address clearly on the envelope. Use the exact format the IRS provides, including the suite number or department name if one is listed. The IRS sorts mail by address, and a small error can send your return to the wrong department.

Mailing a return with a payment versus a refund

If you owe taxes and are mailing a check with your return, some states have a different mailing address than the standard one. The IRS uses separate processing centers for returns with payments because those need to reach the accounting department quickly. Check the "Where to File" table in your tax form instructions — it will show you whether to use the regular address or a payment address.

If you are expecting a refund, use the regular mailing address for your state. Refunds are processed separately from payments, but they go through the same service center. Do not send a check to a refund address — it will be returned or delayed.

Include a check or money order, never cash. Write your Social Security number and tax year on the check. Do not staple the check to your return — paper-clip it or tape it to the top of the first page.

Amended returns and special situations

If you are filing an amended return (Form 1040-X), the mailing address is often different from the address for a regular return. The IRS maintains separate processing for amended returns to avoid confusion with the original filing. Check the Form 1040-X instructions for the correct address — do not use the regular address.

If you are filing a return for a deceased person, a business, or a trust, the mailing address may differ from the individual return address. The IRS instructions for those forms will specify where to send them. When in doubt, call 1-800-829-1040 and describe your situation — the IRS can tell you the exact address and whether there are any special requirements.

What happens after you mail your return

Once the IRS receives your paper return, it enters the mail processing queue. Returns are typically scanned and entered into the IRS computer system within two to four weeks of arrival. During this time, you cannot track your return online — the IRS does not update tracking until the return has been scanned.

After your return is scanned, you can check the status using the IRS "Where's My Refund?" tool on IRS.gov or by calling 1-800-829-1040. This tool shows whether the IRS has received your return, whether it is being processed, and when your refund will be issued (if you are owed one).

If you need to know whether the IRS received your return before the scanning is complete, you can request a return receipt. Include Form 7241 (Application for Transcript of Tax Return) with your mailed return, and the IRS will send you a postcard confirming receipt. This takes an additional week or two.

Why electronic filing is faster

When you file electronically, your return goes directly into the IRS computer system on the day you submit it. There is no mail delay, no scanning queue, and no risk of the envelope getting lost. The IRS typically processes electronic returns within 24 hours, and you can check the status immediately using "Where's My Refund?"

Electronic filing also reduces errors. The software you use checks for common mistakes before you submit, and the IRS computer system performs additional validation. If there is a problem, the IRS contacts you faster with an electronic return than with a paper one.

You can file electronically for free through the IRS Free File program if your income is below a certain threshold (the threshold changes each year). If your income is higher, you can use commercial tax software that charges a fee, or you can hire a tax professional to file on your behalf.

Frequently Asked Questions

What if I mail my return to the wrong address?

The post office or the IRS will eventually reroute it to the correct service center, but this adds two to four weeks to processing time. Your return will not be lost, but you should not expect a refund or response until the rerouting is complete. To avoid this, always check the current year's tax form instructions for the correct address.

Can I hand-deliver my return instead of mailing it?

The IRS does not accept hand-delivered returns at most service centers. Some IRS walk-in offices accept returns during tax season, but this is not may provide. Call your local IRS office to ask whether they accept hand delivery. Electronic filing is the fastest alternative if you want to avoid the mail.

Do I need to send the original receipts and documents with my return?

No. Mail only the tax forms and schedules themselves. Keep receipts, bank statements, and other supporting documents in your records for at least three years. The IRS will ask you to send them only if your return is audited.

What if my return gets lost in the mail?

If you do not hear from the IRS within six weeks, call 1-800-829-1040 and ask them to trace your return. Have your Social Security number, filing status, and the amount of refund or payment ready. The IRS can search their records to see whether the return was received and scanned.

Should I use certified mail or tracking when I mail my return?

Certified mail is not required, but it gives you proof of delivery. If you want confirmation that the IRS received your return, certified mail is cheaper than requesting Form 7241. Keep the receipt until you see your return in the IRS system on "Where's My Refund?"