EIN Validator
Validate Employer Identification Number (EIN) format.
What is an EIN?
An Employer Identification Number (EIN), also known as a Federal Employer Identification Number (FEIN) or Federal Tax Identification Number, is a unique nine-digit number assigned by the IRS to identify a business entity operating in the United States.
EIN Format
An EIN is formatted as XX-XXXXXXX, where:
- First two digits: Identify the IRS campus that issued the number
- Last seven digits: Unique identifier within that campus
Who Needs an EIN?
- Businesses with employees
- Corporations and partnerships
- LLCs with multiple members
- Non-profit organizations
- Trusts and estates
- Banks and financial institutions
Common Uses
- Filing business tax returns
- Opening business bank accounts
- Applying for business licenses
- Hiring employees
- Forming retirement plans
Note: This tool validates the format only, not whether the EIN is actually issued or valid with the IRS.
- 9 digits total
- Format: XX-XXXXXXX
- Free to obtain from IRS
- Also called FEIN or TIN