US EIN Validation

Validate US EIN (Employer Identification Number) Online

Quickly and accurately validate Employer Identification Numbers for US businesses and organizations.

Frequently Asked Questions

What is a US EIN?

An EIN (Employer Identification Number), also known as a Federal Tax ID, is a 9-digit number issued by the IRS to identify businesses for tax purposes. It's formatted as XX-XXXXXXX.

How can I validate a US EIN online?

Use Lookuptax's free EIN checker to validate US Employer Identification Numbers. Enter the EIN to verify format and check against available databases.

What's the difference between EIN and SSN?

EIN is for businesses and organizations, while SSN (Social Security Number) is for individuals. EINs are used for tax filings, hiring employees, and opening business bank accounts.

Can I integrate EIN validation into my system?

Yes. Lookuptax provides an EIN validation API for automated business verification and compliance workflows.

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