Fax the IRS / IRS fax numbers

IRS fax numbers by form

Every number on this page is transcribed from an official IRS.gov page and linked to its source. Last reconciled 2026-07-23.

In short

There is no single IRS fax number — the correct number depends on the form and, for most forms, the state you file from. Form 2848 and Form 8821 go to the Memphis CAF unit at 855-214-7519 or the Ogden CAF unit at 855-214-7522. Form SS-4 goes to 855-641-6935 from the 50 states or D.C. Form 2553 goes to 855-887-7734 or 855-214-7520. CP2000 responses route to the campus printed on your notice, not by state.

Find your fax number by state

Routing is based on the taxpayer’s or business’s address, not your representative’s.

Fax numbers by form

If the number printed in your own form instructions or IRS notice differs from the table below, use the number on your document. The IRS occasionally moves processing between campuses.

Form 2848Power of Attorney and Declaration of Representative

Authorize a CPA, attorney, or enrolled agent to represent you before the IRS.

Fax number	Who uses it
855-214-7519Memphis, TN — CAF Unit	Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, West Virginia
855-214-7522Ogden, UT — CAF Unit	Alaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wisconsin, Wyoming
855-772-3156Philadelphia, PA — International CAF Unit	All APO/FPO addresses, American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, the U.S. Virgin Islands, Puerto Rico, foreign countries, and any address outside the United States. From outside the U.S., use 304-707-9785 (not a toll-free line).

Route by the taxpayer’s address, not the representative’s.
The IRS requires a handwritten (wet-ink) signature on a faxed Form 2848. Typed or drawn digital signatures are rejected — print, sign, then scan or photograph the signed page.
Faxing does not speed up CAF processing. Expect several weeks before the authorization appears on the IRS system.
If your representative is filing through the Tax Pro Account, they may not need to fax at all.

Source: IRS.gov

Form 8821Tax Information Authorization

Let a third party view your tax information without granting them authority to act for you.

Fax number	Who uses it
855-214-7519Memphis, TN — CAF Unit	Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, West Virginia
855-214-7522Ogden, UT — CAF Unit	Alaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wisconsin, Wyoming
855-772-3156Philadelphia, PA — International CAF Unit	All APO/FPO addresses, American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, the U.S. Virgin Islands, Puerto Rico, foreign countries, and any address outside the United States. From outside the U.S., use 304-707-9785 (not a toll-free line).

Uses the same CAF units and the same fax numbers as Form 2848 — routing is identical.
Form 8821 grants access to information only. It does not let the named party argue your case, sign agreements, or receive refunds. Use Form 2848 for that.
Route by the taxpayer’s address.

Source: IRS.gov

Form SS-4Application for Employer Identification Number (EIN)

Get an EIN for a business, estate, or trust when you cannot use the online EIN assistant.

Fax number	Who uses it
855-641-6935Applicant located in one of the 50 states or D.C.	Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
855-215-1627No legal residence or principal place of business in any state	Faxing from within the United States when the business has no legal residence or principal place of business in any state. From outside the U.S., use 304-707-9471.

Fax number

Who uses it

855-641-6935Applicant located in one of the 50 states or D.C.

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

855-215-1627No legal residence or principal place of business in any state

Faxing from within the United States when the business has no legal residence or principal place of business in any state. From outside the U.S., use 304-707-9471.

Include a return fax number on the form. The IRS faxes the assigned EIN back, typically within about four business days.
If your entity has a U.S. responsible party with an SSN or ITIN, the online EIN assistant issues a number immediately — faxing is slower. Fax is mainly for international applicants and cases the online tool rejects.
Do not submit the same SS-4 by both fax and mail. Duplicate applications can produce two EINs for one entity, which is painful to unwind.

Source: IRS.gov

Form 2553Election by a Small Business Corporation (S-corp election)

Elect S-corporation tax treatment for an eligible corporation or LLC.

Fax number	Who uses it
855-887-7734Kansas City, MO service center	Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin
855-214-7520Ogden, UT service center	Alabama, Alaska, Arizona, Arkansas, California, Colorado, Florida, Hawaii, Idaho, Iowa, Kansas, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wyoming

The Form 2553 state split is NOT the same as the Form 2848 CAF split. Wisconsin and Georgia in particular route differently between the two — check this table rather than reusing a number you used for a power of attorney.
Route by the corporation’s principal business location.
Deadline: no later than two months and 15 days after the start of the tax year the election takes effect. A fax confirmation with a timestamp is useful evidence if the IRS later questions timeliness.
Every shareholder must sign the consent statement before you send it.

Source: IRS.gov

CP2000 notice responseNotice of Proposed Adjustment for Underpayment/Overpayment

Respond to an automated under-reporter notice proposing changes to your return.

Fax number	Who uses it
877-477-9485Andover, MA
877-477-0967Atlanta, GA
877-477-0583Austin, TX
877-477-0962Fresno, CA
877-477-9599Holtsville, NY
877-477-9640Ogden, UT
877-477-9602Philadelphia, PA

CP2000 routing is by the campus that issued your notice — NOT by your state. The IRS directs you to fax the location printed on the top left of the notice itself.
The numbers above are the published campus fax lines. If the number on your notice differs from this list, the notice wins.
Include the response form from the notice and a copy of the notice itself as your cover pages so the campus can match your reply to the case.
CP2000 responses have a hard deadline (usually 30 days from the notice date). A timestamped fax confirmation is the cleanest proof you replied in time.

Source: IRS.gov

What the IRS will not accept by fax

Faxing one of these does not count as filing, and it does not stop penalties from accruing.

Original Form 1040 income tax returns
File electronically or by mail. The IRS does not accept an original return by fax, and faxing one does not stop late-filing penalties from accruing.
Form 1040-X (amended returns)
File electronically where eligible, or mail it to the address in the Form 1040-X instructions.
Original Form 941, 940, or 1120 returns
These must be e-filed or mailed. Only certain correspondence about them can be faxed.
Form 941-X (adjusted employment tax return)
Mail it to the address in the 941-X instructions, or file electronically where available.
Payments
Never fax a check or card number. Use IRS Direct Pay, EFTPS, or the payment options on IRS.gov.

Frequently asked questions

What is the IRS fax number?

There is no single IRS fax number. The IRS routes faxes by form, and for most forms by the state you file from. Form 2848 and 8821 go to the Memphis CAF unit (855-214-7519) or the Ogden CAF unit (855-214-7522) depending on your state. Form SS-4 goes to 855-641-6935 from the 50 states or D.C. Form 2553 goes to 855-887-7734 or 855-214-7520. Always confirm against the instructions for your specific form.

Can I fax my tax return to the IRS?

No. The IRS does not accept original Form 1040, 1040-X, 941, 940, or 1120 returns by fax. Those must be e-filed or mailed. Fax is accepted for specific forms such as SS-4, 2553, 2848, and 8821, and for responses to notices like the CP2000.

Why do Form 2848 and Form 2553 have different state splits?

They are processed by different IRS units. Form 2848 and 8821 go to Centralized Authorization File (CAF) units in Memphis and Ogden. Form 2553 goes to the Kansas City and Ogden service centers, which divide the states differently. Wisconsin and Georgia route to different campuses depending on which form you are sending, so do not reuse a number across forms.

Do I need a fax machine to fax the IRS?

No. You can fax the IRS from a browser. With Faxit you upload the signed form as a PDF or photo, enter the IRS fax number for your form and state, and pay $3 for up to 10 pages. You get a timestamped email confirmation to keep with your records.

Does faxing get my form processed faster?

Usually not. Faxing removes mail transit time, but IRS processing queues are the real bottleneck — CAF authorizations still take several weeks. The main advantage of faxing is the timestamped transmission record, which matters for deadline-driven filings like a Form 2553 election or a CP2000 response.

How do I prove the IRS received my fax?

Keep your transmission confirmation. Faxit emails you a timestamped delivery receipt once the fax transmits successfully. The IRS does not send its own acknowledgement for most faxed forms, so your sending record is the evidence you retain.

This page is a reference compiled from public IRS.gov pages and is not tax advice. Fax numbers change. Always confirm against the instructions for your specific form or the notice you received before sending. Faxit is not affiliated with or endorsed by the Internal Revenue Service.

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