IRS Logo
Print - Click this link to Print this page

Form SS-4, Application for Employer Identification Number (EIN)

Use this form to apply for an employer identification number (EIN). An EIN is a nine-digit number (for example, 12-3456789) assigned to employers, sole proprietors, corporations, partnerships, estates, trusts, certain individuals, and other entities for tax filing and reporting purposes.

Current Products

Form SS-4

Instructions for Form SS-4 (HTML)

Recent Developments


Other Items You May Find Useful:

All Form SS-4 Revisions

Apply for an Employer Identification Number (EIN) Online

Other Items Related to Form SS-4

Other Current Products

Comment on Form SS-4

Use the Comment on Tax Forms and Publications web form to provide feedback on the content of this product. Although we cannot respond individually to each comment, we do appreciate your feedback and will consider all comments submitted.

CAUTION: We cannot respond to tax-related questions submitted using this page. Instead, please visit Tax Law Questions or call our toll-free number at 1-800-829-1040 (Individuals) or 1-800-829-4933 (Business).

Page Last Reviewed or Updated: 31-Jan-2014