Where to Mail Your Tax Return as a US Expat: IRS Address Guide (2026)

Josh Katz, CPA
Author: Josh Katz, CPA
Updated: July 24, 2026
Josh Katz, CPA is the founder of Universal Tax Professionals and a leading international tax accountant with over 20 years of experience, including time at a Big 4 accounting firm, specializing in expat taxes and cross-border tax planning for Americans living abroad

US expats without a payment must mail Form 1040 to Department of the Treasury, Internal Revenue Service, Austin, TX 73301-0215 USA. If you owe a payment, mail it instead to Internal Revenue Service, P.O. Box 1303, Charlotte, NC 28201-1303 USA.

In most cases, you don’t need to mail anything at all, since e-filing is available to expats and processes faster.


 

If you’re a US expat searching for the correct IRS mailing address, you’ve probably already run into the problem: the IRS instructions are written for people filing from a US state, and they don’t clearly explain what to do once you’re living abroad.

Mailing to the wrong address doesn’t just mean confusion. It can delay processing of your return, delay any refund you’re owed, and in some cases cause the IRS to treat your return as received later than it actually was mailed.

The good news is that the mailing address for expats is simple once you know it. The better news is that most expats don’t need to mail anything at all.

Key Summary: Mailing Your US Tax Return

  • US Expats mail Form 1040 without payment to Austin, TX 73301-0215, and with payment to Charlotte, NC 28201-1303

  • Private delivery services need the Austin street address, not a P.O. box

  • Streamlined Filing uses a separate Austin address tied to Form 14653

  • Mailing to the wrong address causes delays, not lost returns

  • E-filing avoids the mailing question entirely and processes faster

Quick Reference: Where to Mail Your US Tax Return

Situation Where to send it
Form 1040, no payment enclosed Department of the Treasury, Internal Revenue Service, Austin, TX 73301-0215 USA
Form 1040, payment enclosed Internal Revenue Service, P.O. Box 1303, Charlotte, NC 28201-1303 USA
Using FedEx, UPS, or DHL instead of USPS 3651 S IH35, Austin, TX 78741 (street address required, no P.O. boxes)
Filing under Streamlined Foreign Offshore Procedures A separate Austin address tied to Form 14653, not the standard 1040 address
Most expats E-file instead. No mailing address needed.

Regular Form 1040 mailing address for expats

If you live outside the United States and you’re filing a standard Form 1040, and you don’t owe any tax, mail your return to:

Department of the Treasury
Internal Revenue Service
Austin, TX 73301-0215 USA

This is the correct address regardless of which country you live in.

Expats don’t use the state-by-state addresses listed in the general Form 1040 instructions. Those addresses apply only to filers residing in the US.

If you owe a payment

If your return shows a balance due, mail your return and payment to a different address:

Internal Revenue Service
P.O. Box 1303 Charlotte, NC 28201-1303 USA

Sending a payment to the Austin address, or a return without payment to the Charlotte address, can slow down processing.

If you’re unsure whether you owe anything, it’s worth confirming your calculation before you mail, since the two addresses aren’t interchangeable.

You also don’t need to mail a check at all. The IRS accepts online payment through IRS Direct Pay and other electronic options, which post faster and avoid the uncertainty of international mail.

If you’re mailing your return anyway, you can still pay the balance online separately and mail the return without a check enclosed, in which case it goes to the no-payment Austin address instead.

Need Help Filing From Abroad?

Universal Tax Professionals e-files expat returns for clients in over 150 countries, so you never have to worry about postmarks, international mail, or the right P.O. box.

Get Started Here

Using a private delivery service instead of USPS

If you use FedEx, UPS, or DHL to send your return rather than standard mail, you can’t use either P.O. box address above.

Private delivery services require a physical street address:

3651 S IH35 Austin, TX 78741

Using a private delivery service can also help establish a verifiable delivery date, which matters if you’re mailing close to the deadline.

Under IRS rules, a return postmarked or logged by a designated delivery service on or before the due date counts as filed on time, even if it arrives later.

Mailing address for Streamlined Filing

If you’re catching up on late returns through the Streamlined Foreign Offshore Procedures, the mailing address is different from a standard current-year 1040.

Streamlined submissions, including Form 14653 and the accompanying returns, go to:

Internal Revenue Service
3651 South I-H 35 Stop 6063 AUSC
Attn: Streamlined Foreign Offshore
Austin, TX 78741 USA

If you’re not sure whether your situation qualifies as Streamlined or a standard filing, that distinction matters before you address the envelope.

You probably don’t need to mail anything

Here’s the part worth repeating: paper filing is the fallback option, not the default.

Expats are eligible to e-file Form 1040 the same as domestic filers, and most tax software and professional preparers support foreign addresses.

E-filing has real advantages over mailing from abroad:

  • Confirmation of receipt within 24 hours, instead of waiting weeks to know your return arrived
  • Faster refund processing, since paper returns from abroad can take significantly longer to process than e-filed ones
  • No risk of an envelope getting lost or delayed in international mail
  • No need to worry about postmark rules or which address applies

Paper filing is generally only necessary in specific situations, such as certain amended returns, some Streamlined submissions, or forms that aren’t supported by your software’s e-file system.

If you’re filing a standard current-year return with no unusual complications, e-filing is almost always the simpler and safer choice.

What happens if you mail to the wrong address

Sending your return to the wrong IRS address usually doesn’t mean it disappears. IRS submission processing centers do route misdirected mail internally.

But it does introduce delays, sometimes several weeks, while your return is forwarded and logged at the correct location. If you’re expecting a refund, or you’re close to a filing deadline, that delay can matter.