What Is an EIN?
An Employer Identification Number (EIN) is a unique nine-digit number issued by the IRS to identify a business entity for tax and reporting purposes. Think of it as the Social Security Number for your business.
Ways to Find Your EIN
1. Check IRS Documents
When you first applied for your EIN, the IRS issued a confirmation letter (CP 575). This document contains your EIN and can be found in your business records.
2. Look at Your Business Tax Filings
Your EIN appears on federal and state tax forms, including:
- Form 941 (Quarterly Tax Return)
- Form 1120 (Corporate Income Tax)
- Form 1065 (Partnership Return)
3. Contact Your Bank
If you’ve opened a business bank account, your EIN is part of your account file. Contact your bank representative for assistance.
4. Review State Business Filings
Some states include your EIN on official registration documents, business licenses, or state tax IDs.
5. Call the IRS
If all else fails, you can call the IRS Business & Specialty Tax Line at 1-800-829-4933 (M–F, 7 a.m.–7 p.m. local time). The IRS will verify your identity and provide your EIN
Tips to Keep Your EIN Safe
- Store IRS confirmation letters securely
- Save digital copies in cloud storage
- Use EIN only on secure and official platforms
- Never share your EIN on public websites
Final Thoughts
Knowing how to find your Employer Identification Number is critical for business compliance and operations. Whether you use tax documents, banking records, or direct IRS support, make sure to store your EIN safely for future use.
