IRS Fax Numbers Dataset
A free, citable dataset of IRS form fax numbers verified from official irs.gov instructions — plus the common forms the IRS does not accept by fax. Many forms route to a different number by your state or processing center, so the full region mapping is included. Open data you can download, link to, and reuse.
Last verified against irs.gov: 2026-06-08
IRS Forms You Can Fax
Each number comes from the official IRS form instructions or where-to-file page. Several forms route to a different fax number by state — use the row that matches where you live or where the business is, and always confirm on the linked irs.gov source.
| Fax number | Who / where it applies |
|---|---|
| 855-641-6935 | Principal business, office, agency, or legal residence in one of the 50 states or the District of Columbia |
| 855-215-1627 | No legal residence, principal place of business, or principal office/agency in any state — applying from within the U.S. |
| 304-707-9471 | No legal residence, principal place of business, or principal office/agency in any state — applying from outside the U.S. |
| Fax number | Who / where it applies |
|---|---|
| 855-887-7734 | Eastern states: CT, DE, DC, GA, IL, IN, KY, ME, MD, MA, MI, NH, NJ, NY, NC, OH, PA, RI, SC, TN, VT, VA, WV, WIIRS center: Kansas City |
| 855-214-7520 | Western states: AL, AK, AZ, AR, CA, CO, FL, HI, ID, IA, KS, LA, MN, MS, MO, MT, NE, NV, NM, ND, OK, OR, SD, TX, UT, WA, WYIRS center: Ogden |
| Fax number | Who / where it applies |
|---|---|
| 855-214-7519 | Eastern states: AL, AR, CT, DE, DC, FL, GA, IL, IN, KY, LA, ME, MD, MA, MI, MS, NH, NJ, NY, NC, OH, PA, RI, SC, TN, VT, VA, WVIRS center: Memphis |
| 855-214-7522 | Western states: AK, AZ, CA, CO, HI, ID, IA, KS, MN, MO, MT, NE, NV, NM, ND, OK, OR, SD, TX, UT, WA, WI, WYIRS center: Ogden |
| 855-772-3156 | APO/FPO, American Samoa, CNMI, Guam, U.S. Virgin Islands, Puerto Rico, a foreign country, or outside the U.S. (also 304-707-9785 from outside the U.S.)IRS center: Philadelphia (International CAF Team) |
| Fax number | Who / where it applies |
|---|---|
| 855-214-7519 | Eastern states: AL, AR, CT, DE, DC, FL, GA, IL, IN, KY, LA, ME, MD, MA, MI, MS, NH, NJ, NY, NC, OH, PA, RI, SC, TN, VT, VA, WVIRS center: Memphis |
| 855-214-7522 | Western states: AK, AZ, CA, CO, HI, ID, IA, KS, MN, MO, MT, NE, NV, NM, ND, OK, OR, SD, TX, UT, WA, WI, WYIRS center: Ogden |
| 855-772-3156 | APO/FPO, American Samoa, CNMI, Guam, U.S. Virgin Islands, Puerto Rico, a foreign country, or outside the U.S. (also 304-707-9785 from outside the U.S.)IRS center: Philadelphia (International CAF Team) |
| Fax number | Who / where it applies |
|---|---|
| 855-253-3175 | ME, MD, MA, NH, VTIRS center: Andover |
| 855-275-8620 | GA, IA, KS, KY, VAIRS center: Atlanta (Chamblee, GA) |
| 855-203-7538 | FL, LA, MS, OK, TX — and a foreign country, U.S. possession/territory, APO/FPO, filers of Form 2555 or 4563, or a dual-status alienIRS center: Austin |
| 855-297-7736 | NYIRS center: Brookhaven (Holtsville, NY) |
| 855-332-3068 | AK, AZ, CA, CO, HI, NV, NM, OR, UT, WA, WI, WYIRS center: Fresno |
| 855-344-9993 | AR, CT, DE, IN, MI, MN, MO, MT, NE, NJ, OH, WVIRS center: Kansas City |
| 855-580-4749 | AL, NC, ND, SC, SD, TNIRS center: Memphis |
| 855-404-9091 | DC, ID, IL, PA, RIIRS center: Philadelphia |
| Business entities | |
| 855-307-3124 | Business entities in states east of the Mississippi, plus AR and LAIRS center: Cincinnati |
| 855-578-2550 | Business entities in states west of the Mississippi, plus WIIRS center: Ogden |
| Fax number | Who / where it applies |
|---|---|
| 855-587-9604 | AL, AZ, AR, FL, GA, LA, MS, NM, NC, OK, SC, TN, TX, a foreign country, American Samoa, Puerto Rico, Guam, CNMI, U.S. Virgin Islands, or APO/FPOIRS center: Austin |
| 855-821-0094 | CT, DE, DC, IL, IN, IA, KY, ME, MD, MA, MN, MO, NH, NJ, NY, PA, RI, VT, VA, WV, WIIRS center: Kansas City |
| 855-298-1145 | AK, CA, CO, HI, ID, KS, MI, MT, NE, NV, ND, OH, OR, SD, UT, WA, WYIRS center: Ogden |
| Fax number | Who / where it applies |
|---|---|
| 855-807-5720 | All filers not responding to a specific IRS notice. If you are responding to an IRS notice or letter that lists a fax number, send it to the number on that notice instead. |
| Fax number | Who / where it applies |
|---|---|
| 855-828-2723 | Domestic (centralized national TAS fax) |
| 304-707-9793 | From overseas (not toll-free) |
IRS Forms You Cannot Fax
These common forms are not accepted by fax — they must be mailed or e-filed. We list them here so you do not waste a transmission.
| Form | Purpose | Faxable? | Official Source |
|---|---|---|---|
| 9465 | Installment Agreement Request | Not accepted by fax | irs.gov |
| 4868 | Application for Automatic Extension of Time to File | Not accepted by fax | irs.gov |
| 1040-X | Amended U.S. Individual Income Tax Return | Not accepted by fax | irs.gov |
| 656 | Offer in Compromise | Not accepted by fax | irs.gov |
| 8822 | Change of Address | Not accepted by fax | irs.gov |
| 8832 | Entity Classification Election | Not accepted by fax | irs.gov |
| 7004 | Application for Automatic Extension of Time To File Certain Business Income Tax Returns | Not accepted by fax | irs.gov |
Download & Cite the Dataset
Free to use under a Creative Commons Attribution 4.0 license. Please keep an attribution link back to this page when you reuse it.
CSV Download
One row per fax number (region routing preserved) for Excel, Google Sheets, or data pipelines.
/data/irs-fax-numbers.csvJSON Download
Structured format with per-number region mappings and source URLs — for developers, APIs, and apps.
/data/irs-fax-numbers.jsonLicense & attribution
This dataset is published under CC BY 4.0. When you use it, please credit FaxFlow and link back to www.fax-flow.com/resources/irs-fax-numbers-dataset.
⚠️ Disclaimer
FaxFlow is not affiliated with or endorsed by the IRS. Fax numbers, addresses, and filing rules change often and may be outdated or incorrect here — always verify against the official IRS website (irs.gov) before sending. This page is for general information only and is not tax, legal, or financial advice; consult a qualified tax professional for your situation.
Need to Send One of These Faxes?
Once you have the right number for your state, you can send these IRS faxes straight from your phone with FaxFlow — no fax machine and no trip to the office.