Understanding the EIN Number
An Employer Identification Number (EIN) is a unique nine-digit number assigned by the Internal Revenue Service (IRS) to businesses operating in the United States. It is used for tax filing and reporting purposes, opening business bank accounts, hiring employees, and other essential business operations.
Application Methods and Processing Times
Online Application - Fastest Method
The most efficient way to obtain an EIN is through the IRS's online application system.
- Processing is immediate
- Available Monday through Friday, 7 AM to 10 PM Eastern Time
- No additional forms needed
- Receive EIN right after completion
By Fax
- Processing time: 4-7 business days
- Submit Form SS-4 to the appropriate fax number
- IRS will fax back your EIN
- Ensure all information is clearly legible
By Mail
- Processing time: 4-6 weeks
- Mail Form SS-4 to the designated IRS address
- Slowest method available
- Consider potential delays during peak tax seasons
By Phone (International Applicants)
- Processing time: Immediate
- Available for international applicants
- Call IRS at 267-941-1099 (not toll-free)
- Service hours: 7 AM to 7 PM local time
Requirements and Considerations
To ensure the fastest possible processing time, have ready:
- Legal name of business
- Business address
- Responsible party information
- Type of business entity
- Reason for applying
Note: You can only obtain one EIN per day per responsible party.
Common Causes of Delays
- Incomplete information
- Technical issues with the online system
- High-volume periods (tax season)
- Natural disasters affecting IRS operations
- Inaccurate information submission
After Receiving Your EIN
Once you receive your EIN:
- Keep the confirmation letter in a safe place
- Begin using the number immediately for:
- Tax filings
- Bank account applications
- Business registrations
- Employee paperwork
Additional Resources
For more detailed information, visit:
Remember to apply for an EIN well in advance of when you'll need it to account for any unexpected delays or technical issues that might arise during the application process.