Employer Identification Number (EIN)

An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number (TIN) and is used to identify a business entity. Generally, businesses need an EIN. (24)

Apply Online or download: Form SS-4: Application for Employer Identification Number

Contact:
Internal Revenue Service, Employer ID Numbers
Attn: EIN Operation, Cincinnati, OH 45999
800.829.4933 (7am -10pm local time, Monday-Friday)

Additional Information:

Internal Revenue Service: Publication 1635, Understanding Your EIN - includes detailed information on whether or not you need an EIN number.

Internal Revenue Service: Instructions for Form SS-4 Internal Revenue Service (Rev. January 2011)