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Internal Revenue Service (IRS) - EIN Operation fax number
(855) 641-6935
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EIN Operation (Cincinnati, OH)
Used for: Submit Form SS-4 (Employer Identification Number application) by fax to the IRS EIN Operation at 855-641-6935; the IRS processes the form and returns the EIN assignment notice (CP575) or related verification letters.
Fax destination details
- Department
- EIN Operation (Cincinnati, OH)
- Purpose
- Submit Form SS-4 (Employer Identification Number application) by fax to the IRS EIN Operation at 855-641-6935; the IRS processes the form and returns the EIN assignment notice (CP575) or related verification letters.
- Form
- SS-4 — Form SS-4: Application for Employer Identification Number
- Address
- Internal Revenue Service Center, Cincinnati, OH 45999
- Voice phone
- 800-829-4933
- Website
- Visit organization website
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Instructions for completing Form SS-4, as published by the IRS (ISS4).
Official form instructions are published as a downloadable file on the organization's website.
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