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Mail or fax Form SS-4 (no legal residence/principal place in any state)

Internal Revenue Service (IRS) • EIN International Operation • Cincinnati, OH
Mail or fax Form SS-4 (no legal residence/principal place in any state)
Internal Revenue Service Attn: EIN International Operation Cincinnati, OH 45999
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Department
EIN International Operation
Office
EIN International Operation
Location
Cincinnati, OH
Last Checked
June 3, 2026

Verification & trust

Status Verified
Last verified June 3, 2026
Confidence 0.95

What this fax number is for

EIN International Operation

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Source and verification

Mail or fax Form SS-4 (U.S. states and D.C.)
Added June 2, 2026

Mail or fax Form SS-4 to: One of the 50 states or the District of Columbia Internal Revenue Service Attn: EIN Operation Cincinnati, OH 45999

View Source Confidence: 0.95
Source Evidence
Added June 2, 2026

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

View Source Confidence: 0.93
One of the 50 states or the District of Columbia
Added June 2, 2026

Mail or fax Form SS-4 to: Internal Revenue Service Attn: EIN Operation Cincinnati, OH 45999

View Source Confidence: 0.92

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