IRS Ein Mailing Address

IRS Ein Mailing Address

IRS Ein Mailing Address is, Internal Revenue Service, Attn:  EIN Operation, Cincinnati, OH 45999.

Where to File Your Taxes for Form SS-4

One of the 50 states or the District of Columbia:

  • Mailing Address: Internal Revenue Service, Attn: EIN Operation, Cincinnati, OH 45999
  • Fax: 855-641-6935

If you have no legal residence, principal place of business, or principal office or agency in any state:

  • Mailing Address: Internal Revenue Service, Attn: EIN International Operation, Cincinnati, OH  45999
  • Fax: 855-215-1627 (within the U.S.)
  • Fax: 304-707-9471 (outside the U.S.)

IRS Helpline Numbers

Help lines are open Monday through Friday. Residents of Alaska and Hawaii should follow Pacific time. Phone lines in Puerto Rico are open from 8 a.m. to 8 p.m. local time.

  • Individuals: 800-829-1040, 7 a.m. to 7 p.m. local time
  • Businesses: 800-829-4933, 7 a.m. to 7 p.m. local time
  • Non-profit taxes: 877-829-5500, 8 a.m. to 5 p.m. local time
  • Estate and gift taxes (Form 706/709), 866-699-4083, 8 a.m. to 3:30 p.m. Eastern time
  • Excise taxes, 866-699-4096, 8 a.m. to 6 p.m. Eastern time
  • Overseas callers: Use International Services page, follow this link:
  • Callers who are hearing impaired: TTY/TDD 800-829-4059

IRS Interpretation Services

If you can’t find the answers to your tax questions on, IRS can offer you help in more than 350 languages with the support of professional interpreters. For assistance in Spanish, call 800-829-1040. For all other languages, call 833-553-9895

Tax Related Identity Theft Support

If you previously contacted the IRS and did not have a resolution, contact for specialized assistance at 800-908-4490.

IRS Phishing and Email Scams Support

Please report IRS, Treasury and/or tax-related suspicious online or emailed phishing scams to For more information, please see Report Phishing, Link:

Please report IRS impersonation scams – especially if you are a victim – to the Treasury Inspector General for Tax Administration’s IRS Impersonation Scams Reporting, link: You can report other suspicious online or emailing phishing scams to

Source: IRS