Federal Employer Identification Number (FEIN)

The Federal Employer Identification Number (FEIN) is a nine-digit unique identifier issued by the Internal Revenue Service (IRS). It serves as a tax ID for businesses, non-profit organizations, estates, trusts, and other entities operating in the United States.

Use the dropdowns below to learn more, or use CMD + F (or CTRL + F) to search for keywords throughout the article.