What is EIN and Why is it Required?
EIN (Employer Identification Number) is a federal tax identification number issued by the IRS. It is like a social security number for your business. You need an EIN in the following situations:
- Opening a bank account
- Hiring employees
- Filing tax returns
- Applying for business credit
- Obtaining a seller's license
EIN Application Methods
1. Online Application (Fastest)
You can apply online through the IRS EIN Assistant. This method is free, provides instant results, and is available Monday–Friday, 07:00–22:00 EST.
2. Fax Application
Fill out Form SS-4 and send it by fax. Processing time: 4 business days. Fax: (855) 641-6935. International: (304) 707-9471.
3. Mail Application
Send Form SS-4 by mail. Processing time: 4–6 weeks. Not recommended for urgent situations.
EIN Application for Foreign Entrepreneurs
For non-US citizens or those without SSN, you can apply by phone at (267) 941-1099, or use fax/mail methods. Third-party services" class="text-teal-600 hover:text-teal-700 font-medium underline decoration-teal-300 hover:decoration-teal-500 transition-colors">service providers can also assist.
Required Information
- Business name and address
- Business type (LLC, Corporation, etc.)
- Responsible party name and SSN/ITIN Number Guide">ITIN
- Business start date
- Estimated number of employees
EIN vs ITIN Number Guide">ITIN vs SSN
- EIN: For businesses
- ITIN Number Guide">ITIN: For taxpayers without SSN
- SSN: For individuals
Cost
Getting an EIN from the IRS is completely free. Third-party services may charge fees, but this is not mandatory.