Government

IRS: Form SS-4 (EIN, International/Territory Filers) Fax Number

Apply for an Employer Identification Number by fax for applicants with no legal US residence, including US territory and international filers. Domestic applicants with a US address should use 1-855-641-6935 instead.

What to include

Completed Form SS-4, business name, responsible party name and TIN.

Ready-to-use cover letter

Copy this template, fill in the bracketed fields, and send it as your fax.

Internal Revenue Service,

Please find attached my Form SS-4 application for an Employer Identification Number.

Business Name: [Business Name]
Responsible Party: [Your Name]
Phone: [Phone Number]

Please confirm receipt.

Sincerely,
[Your Name]
Fax numbers change without notice. Verify this number against the organization's official contact page or your paperwork before you send anything sensitive. Last verified March 16, 2026.

IRS: Form SS-4 (EIN, International/Territory Filers) fax number FAQ

What is the IRS: Form SS-4 (EIN, International/Territory Filers) fax number?+

The fax number for IRS: Form SS-4 (EIN, International/Territory Filers) is 1-855-215-1627. Numbers change without notice, so verify it against the organization's official contact page or your paperwork before sending anything sensitive.

What should I include when faxing IRS: Form SS-4 (EIN, International/Territory Filers)?+

Completed Form SS-4, business name, responsible party name and TIN.

Can I fax IRS: Form SS-4 (EIN, International/Territory Filers) online without a fax machine?+

Yes. With FaxDrop you can fax IRS: Form SS-4 (EIN, International/Territory Filers) from your computer or phone, no fax machine or phone line required. Upload your document, enter the number, and send. You get two free faxes a month, up to 5 pages including the cover page.

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