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IRS fax numbers

Form SS-4 fax number

The SS-4 fax destination depends on the location of your principal business, office or agency, or legal residence for an individual. For the international route, where you send from also matters.

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Match every filing condition, check the current IRS instructions, and review signatures and pages before sending. Keep the transmission receipt; delivery does not establish IRS acceptance.

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Form SS-4 filing reference

Destinations, exceptions, and the instructions behind them.

Application for Employer Identification Number

The SS-4 fax destination depends on the location of your principal business, office or agency, or legal residence for an individual. For the international route, where you send from also matters.

+1 855-641-6935

EIN Operation, Cincinnati

Principal business, office or agency, or legal residence for an individual, in one of the 50 states or DC.

+1 855-215-1627

EIN International Operation, Cincinnati

No legal residence, principal business, office or agency in any state; sending from within the US.

+1 304-707-9471

EIN International Operation, Cincinnati

No legal residence, principal business, office or agency in any state; sending from outside the US.

A US incorporation address alone does not establish the location used by these instructions. Check your circumstances against the IRS guidance.

Use these destinations for an EIN application, not other IRS correspondence.

Form SS-4 official IRS source

Mail or fax Form SS-4. Reviewed .

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