IRS Mailing Address for Form 1040 2025 – Filing your 2025 federal income tax return? Knowing the correct IRS mailing address for Form 1040 (or Form 1040-SR) is essential to avoid delays or lost refunds. The IRS updates filing instructions annually, and the official addresses for paper returns filed in 2026 depend on your state of residence and whether you are enclosing a payment.
This guide provides the most current, trusted information directly from IRS.gov for tax year 2025 returns. Always double-check the latest details on the official IRS website before mailing.
Why the Correct IRS Mailing Address for Form 1040 2025 Matters?
Mailing your Form 1040 to the wrong address can delay processing by weeks or months. The IRS routes returns to specific service centers based on geography and payment status. Using the right address ensures faster refund processing and avoids unnecessary correspondence. Paper filing is still common for some taxpayers, but the IRS strongly encourages e-filing for quicker refunds and fewer errors.
When to File Your 2025 Form 1040
Most taxpayers must file their 2025 Form 1040 by April 15, 2026. If you owe taxes, payment is due by the same date to avoid penalties and interest. Extensions are available via Form 4868, but any tax due must still be paid by the original deadline.
Should You Mail or E-File Your 2025 Tax Return?
The IRS recommends electronic filing for most people. E-filing is faster, more secure, and reduces errors. If you choose to mail your return, follow the exact addresses below. Note: These addresses are for original Form 1040 and 1040-SR returns only—not amended returns (Form 1040-X) or other forms.
IRS Mailing Addresses for Form 1040 2025 – No Payment Enclosed
If you are not enclosing a payment with your return, use the Department of the Treasury address below based on your state:
- Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Texas
Department of the Treasury
Internal Revenue Service
Austin, TX 73301-0002 - Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Minnesota, Missouri, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, Wisconsin
Department of the Treasury
Internal Revenue Service
Kansas City, MO 64999-0002 - Alaska, California, Colorado, Hawaii, Idaho, Kansas, Michigan, Montana, Nebraska, Nevada, Ohio, Oregon, North Dakota, South Dakota, Utah, Washington, Wyoming
Department of the Treasury
Internal Revenue Service
Ogden, UT 84201-0002 - Arkansas, Arizona, New Mexico, Oklahoma
Department of the Treasury
Internal Revenue Service
Austin, TX 73301-0002 - Foreign country, U.S. possession or territory, APO/FPO address, Form 2555 or 4563 filers, or dual-status aliens
Department of the Treasury
Internal Revenue Service
Austin, TX 73301-0215
USA
(Residents of American Samoa, Puerto Rico, Guam, U.S. Virgin Islands, or Northern Mariana Islands: See IRS Publication 570)
IRS Mailing Addresses for Form 1040 2025 – With Payment Enclosed
If you are enclosing a payment, use the Internal Revenue Service P.O. Box address below and attach Form 1040-V (Payment Voucher). Use regular U.S. mail for payments—private delivery services may delay processing.
- Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Texas
Internal Revenue Service
P.O. Box 1214
Charlotte, NC 28201-1214 - Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Minnesota, Missouri, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, Wisconsin
Internal Revenue Service
P.O. Box 931000
Louisville, KY 40293-1000 - Alaska, California, Colorado, Hawaii, Idaho, Kansas, Michigan, Montana, Nebraska, Nevada, Ohio, Oregon, North Dakota, South Dakota, Utah, Washington, Wyoming
Internal Revenue Service
P.O. Box 931000
Louisville, KY 40293-1000 - Arkansas, Arizona, New Mexico, Oklahoma
Internal Revenue Service
P.O. Box 931000
Louisville, KY 40293-1000 - Foreign country, U.S. possession or territory, APO/FPO address, Form 2555 or 4563 filers, or dual-status aliens
Internal Revenue Service
P.O. Box 1303
Charlotte, NC 28201-1303
USA
Special Situations and Additional Filing Notes
- U.S. territories: Residents of Puerto Rico or other territories may have different options—consult Publication 570.
- Private delivery services: Approved services (like FedEx or UPS) can be used for timely filing when no payment is enclosed, but they are not recommended for payments.
- Make checks payable to: “United States Treasury.” Write your Social Security Number and “2025 Form 1040” on the check.
- Do not staple or paperclip your return or payment.
These addresses are current as of the latest IRS update (reviewed July 2025) and apply to 2025 tax returns filed in 2026.
Tips for Successfully Mailing Your Form 1040
- Use the exact address format shown above.
- Include all required schedules and attachments.
- Keep a copy of your entire return for your records.
- Track your mailing with certified mail or a private delivery service (when allowed).
- Consider e-filing or using tax software that prints the correct address automatically.
Common Mistakes to Avoid
- Sending your return to an old address from prior years.
- Using the wrong address for payments vs. refund-only returns.
- Mailing to a state tax agency instead of the IRS.
- Forgetting to sign and date your Form 1040.
Frequently Asked Questions About IRS Mailing Address for Form 1040 2025
Can I mail my 2025 Form 1040 to my local IRS office?
No. All paper returns must go to one of the centralized service centers listed above.
What if I live abroad?
Use the Austin, TX or Charlotte, NC international addresses listed in the “with payment” or “no payment” tables.
Has the mailing address changed from last year?
The IRS occasionally updates routing. Always verify on IRS.gov for your specific situation.
Where can I find the official IRS Form 1040 instructions?
Visit IRS.gov/forms and search for “Instructions for Form 1040” (tax year 2025).
For the most accurate and up-to-date information, visit the official IRS page: Where to File Addresses for Form 1040.
Filing on time helps protect your refund and avoids penalties. If you need help, consider free IRS resources like the Volunteer Income Tax Assistance (VITA) program or consult a qualified tax professional. Stay informed and file with confidence!