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Internal Revenue Service (IRS) – Employer Identification Number (EIN) Operation fax number

(800) 641-6935

EIN Operation Cincinnati

Used for: Fax Form SS-4 to the IRS to apply for an Employer Identification Number (EIN).

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Fax destination details

Department: EIN Operation Cincinnati
Purpose: Fax Form SS-4 to the IRS to apply for an Employer Identification Number (EIN).
Form: SS-4 — Form SS-4, Application for Employer Identification Number
Address: Internal Revenue Service, Attn: EIN Operation, Cincinnati, OH 45999
Voice phone: 1-800-829-4933
Website: Visit organization website

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