Federal Employer Identification Number (FEIN)

Summary

Employers can learn more about what a FEIN is, and when and where to register. If Gusto has received a FEIN error for your company, find additional troubleshooting tips here.

Content

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. It is also used interchangeably with the Employer Identification Number (EIN).

  • Heads up: State and local tax administrators also require that you register with their agencies—in most cases, they assign their own unique state or local EINs to be used in addition to the FEIN. You can learn how to register for state and local tax account numbers in our state-specific registration resources.

When you set up your company account, Gusto asks for your FEIN. If you need to change it after, learn how here

Solution Properties

Keywords
FEIN Federal Employer Identification Number IRS tax administration FEIN FAQs
Solution ID
203480526100000
Last Modified Date
09/29/2025 10:28:04 AM
Attributes
Gusto Attributes
  • Article Ownership: compliance; taxops
Taxonomy
  • Employers and admins > Taxes forms and compliance > Federal compliance > Federal taxes
  • Employers and admins > Company set up and details > Company details > Taxes
Collections
  • Accountants
  • Admins
  • External
  • Support Agent
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