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Internal Revenue Service (IRS) EIN Operation; EIN International Operation Fax

Internal Revenue Service (IRS) • EIN Operation; EIN International Operation • Cincinnati, Ohio
Official Fax Number
Form SS-4
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Agency
Internal Revenue Service (IRS)
Section
Department of the Treasury - EIN Operation (Cincinnati)
Department
Department of the Treasury
Office
EIN Operation; EIN International Operation
Location
Cincinnati, Ohio
Last Checked
June 3, 2026

Verification & trust

Status Verified
Last verified June 3, 2026
Confidence 0.93

What this fax number is for

EIN Operation; EIN International Operation

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Source and verification

Source Evidence
Added June 2, 2026

Mail or fax Form SS-4

View Source Confidence: 0.93
Source Evidence
Added June 2, 2026

Mail or fax Form SS-4

View Source Confidence: 0.9
Source Evidence
Added June 2, 2026

Where to file your taxes for Form SS-4 — Mail or fax Form SS-4

View Source Confidence: 0.9
Quick facts
Type FaxNumber
Agency Internal Revenue Service (IRS)
Fax Number Form SS-4
About this listing
This listing is meant to help users confirm the correct fax destination before sending documents.
Verified Checked Jun 3, 2026