IRS fax numbers
The IRS has no single fax number. Most used: Form SS-4 (EIN) – 855-641-6935 if your business is in the 50 states or DC. Form 2848/8821: 855-214-7519 (eastern states) or 855-214-7522 (western states). All other numbers below.
Last checked: October 4, 2026
Always check the number on your letter or form instructions. Agencies can change fax numbers without notice.
Form SS-4 fax numbers (3 numbers – choose by location)
| Purpose | Fax number | Who can use it | |
|---|---|---|---|
| Form SS-4 (EIN application) by fax – business/residence in the 50 states or DC | 855-641-6935 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Fax-TIN program, EIN generally returned by fax within 4 business days. 'Fax-TIN numbers can only be used to apply for an EIN. The numbers may change without notice.' Include your own fax number for the reply. Instruction… | |||
| Form SS-4 (EIN application) – no legal residence/business in any state or DC (U.S. territory or international), faxing from within the U.S. | 855-215-1627 | Only for applicants WITHOUT residence/business in the 50 states or DC | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only for applicants WITHOUT residence/business in the 50 states or DC. EIN only. Instructions for Form SS-4 (Rev. 12/2025). | |||
| Form SS-4 (EIN application) – no legal residence/business in any state or DC, faxing from outside the U.S. | 304-707-9471 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Not toll-free. EIN only. Instructions for Form SS-4 (Rev. 12/2025). | |||
CP2000-series notice fax numbers (7 numbers – use the location on your notice)
| Purpose | Fax number | Who can use it | |
|---|---|---|---|
| CP2000-series notice response – notice issued by IRS Andover, MA | 877-477-9485 | Only if the top left of your CP2000 notice shows Andover, MA | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Andover, MA. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| CP2000-series notice response – notice issued by IRS Atlanta, GA | 877-477-0967 | Only if the top left of your CP2000 notice shows Atlanta, GA | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Atlanta, GA. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| CP2000-series notice response – notice issued by IRS Austin, TX | 877-477-0583 | Only if the top left of your CP2000 notice shows Austin, TX | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Austin, TX. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| CP2000-series notice response – notice issued by IRS Holtsville, NY | 877-477-9599 | Only if the top left of your CP2000 notice shows Holtsville, NY | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Holtsville, NY. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| CP2000-series notice response – notice issued by IRS Fresno, CA | 877-477-0962 | Only if the top left of your CP2000 notice shows Fresno, CA | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Fresno, CA. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| CP2000-series notice response – notice issued by IRS Ogden, UT | 877-477-9640 | Only if the top left of your CP2000 notice shows Ogden, UT | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Ogden, UT. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| CP2000-series notice response – notice issued by IRS Philadelphia, PA | 877-477-9602 | Only if the top left of your CP2000 notice shows Philadelphia, PA | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if the top left of your CP2000 notice shows Philadelphia, PA. Always use the location printed on your notice. Page updated 14-Jul-2026. | |||
| Purpose | Fax number | Who can use it | |
|---|---|---|---|
| Form 2848 (Power of Attorney) and Form 8821 (Tax Information Authorization) – CAF unit Memphis, taxpayers in eastern states | 855-214-7519 | Only if you live in: Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Flo | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if you live in: Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, New Hampshire, New Jer… | |||
| Form 2848 / Form 8821 – CAF unit Ogden, taxpayers in western states | 855-214-7522 | Only if you live in: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa, Kansas, | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if you live in: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, … | |||
| Form 2848 / Form 8821 – International CAF Team (APO/FPO, U.S. territories, foreign country), faxing from within the U.S. | 855-772-3156 | Only for APO/FPO addresses, American Samoa, Northern Mariana Islands, Guam, U | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only for APO/FPO addresses, American Samoa, Northern Mariana Islands, Guam, U.S. Virgin Islands, Puerto Rico, a foreign country or otherwise outside the U.S. Same in Instructions for Form 8821. | |||
| Form 2848 / Form 8821 – International CAF Team, faxing from outside the U.S. | 304-707-9785 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Same eligibility as the International CAF row above; this number is for faxing from outside the U.S. Same in Instructions for Form 8821. | |||
| Form 2553 (S corporation election) – principal business in Kansas City service-center states | 855-887-7734 | Only if principal business, office or agency is in: Connecticut, Delaware, District of C | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if principal business, office or agency is in: Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North … | |||
| Form 2553 (S corporation election) – principal business in Ogden service-center states | 855-214-7520 | Only if principal business, office or agency is in: Alabama, Alaska, Arizona, Arkansas, | Send fax to this number |
| Source: irs.gov, checked October 4, 2026 — Only if principal business, office or agency is in: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Florida, Hawaii, Idaho, Iowa, Kansas, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, … | |||
| Form 4506-T (transcript request) – individual transcripts, RAIVS Team Austin | 855-587-9604 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Individual transcripts only, if you filed an individual return and lived in: Alabama, Arizona, Arkansas, Florida, Georgia, Louisiana, Mississippi, New Mexico, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, a… | |||
| Form 4506-T – individual transcripts (Kansas City) and all other transcripts (Kansas City) | 855-821-0094 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Individual transcripts: Connecticut, Delaware, DC, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Minnesota, Missouri, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virgini… | |||
| Form 4506-T – individual transcripts (Ogden) and all other transcripts (Ogden) | 855-298-1145 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Individual transcripts: Alaska, California, Colorado, Hawaii, Idaho, Kansas, Michigan, Montana, Nebraska, Nevada, North Dakota, Ohio, Oregon, South Dakota, Utah, Washington, Wyoming. All other transcripts: Alabama, Alask… | |||
| Form 14039 (Identity Theft Affidavit) – general submissions | 855-807-5720 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — NOT if you are answering an IRS notice/letter: then use the fax number on that notice ('If it provides a FAX number, you should send there'). Choose only one method (online, mail or fax). Do not fax an original tax retur… | |||
| Form 8857 (Request for Innocent Spouse Relief) | 855-233-8558 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Do not file Form 8857 with your tax return. Instructions for Form 8857 (Rev. 06/2021). | |||
| Form 8802 (Application for U.S. Residency Certification / Form 6166) – from within the U.S. | 877-824-9110 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Fax only after paying the user fee by e-payment (enter confirmation number on page 1). Up to 10 Forms 8802, max. 100 pages, cover sheet stating number of pages required. Instructions for Form 8802 (Rev. 10/2024). | |||
| Form 8802 (U.S. Residency Certification) – inside or outside the U.S. | 304-707-9792 | Send fax to this number | |
| Source: irs.gov, checked October 4, 2026 — Same conditions as above (e-payment first, cover sheet, max. 10 forms/100 pages). Not toll-free. | |||
| Form 911 (Request for Taxpayer Advocate Service Assistance) | 855-828-2723 | Send fax to this number | |
| Source: taxpayeradvocate.irs.gov, checked October 4, 2026 — Central Form 911 intake. Local TAS offices have their own numbers (see TAS local office page). | |||