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How to Apply for a Federal Employer Identification Number (FEIN)

A quick guide to getting your business tax ID in the United States
Updated 4 months ago

If your business operates in the U.S., you’ll need a Federal Employer Identification Number (FEIN)—also known as an EIN—to file taxes, open business bank accounts, and comply with federal regulations.

When You Need a FEIN

You’ll typically need an FEIN if you:

  • Hire employees

  • Operate as a corporation or partnership

  • File employment, excise, or alcohol/tobacco/firearms tax returns

  • Withhold taxes on income (other than wages) paid to a non-resident alien

  • Open a business bank account or apply for business licenses

If you’re unsure whether you need one, the IRS website offers an eligibility guide to help you decide.

Apply Online with the IRS

You can apply directly through the IRS website using their secure online EIN application:
👉 Get an Employer Identification Number (EIN)

What to Expect

  • It’s free. The IRS does not charge any fee to issue an EIN.

  • Instant issuance. You’ll receive your EIN immediately after completing the online application.

  • Eligibility. You must have a valid Taxpayer Identification Number (SSN, ITIN, or existing EIN) to apply.

  • Availability. The application is open Monday–Friday, 7 a.m.–10 p.m. Eastern Time.

    For detailed instructions, visit the IRS link above to review eligibility requirements and step-by-step guidance.

📌 International customers registering in the U.S.

If your business is based outside the United States, an Employer Identification Number (EIN/FEIN) is required before you can register in the U.S.

We’ve put together a dedicated guide that walks through all IRS-approved ways international businesses can apply for an EIN—including phone, fax, and mail options, what information is required, and expected processing timelines.

👉 See: How International Businesses Can Apply for an EIN (FEIN) Without a U.S. Presence

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