Yes, you can verify a Tax ID number (also called a TIN or EIN) using several official resources. Verification is important for ensuring the legitimacy of businesses, filing accurate tax documents, and avoiding fraud.
What Is a Tax ID Number?
A Tax Identification Number (TIN) is issued by the IRS and used for tax reporting purposes. For businesses, this is usually called an Employer Identification Number (EIN). For individuals, it may be a Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN).
How to Verify a Tax ID Number
1. Use IRS TIN Matching (For Authorized Users)
If you’re a payer filing information returns, you can use the IRS TIN Matching system to verify a taxpayer’s name and TIN.
- Available through the IRS e-Services portal.
- Only accessible to those filing Form 1099 series.
2. Call the IRS for EIN Verification
You can call the IRS Business & Specialty Tax Line at 800-829-4933 to verify an EIN if you’re authorized (e.g., owner, partner, corporate officer).
3. Use Online Search for Nonprofits
For nonprofit organizations, the IRS Tax Exempt Organization Search lets you find and verify EINs.
IRS Exempt Organizations Search Tool
Can the Public Access a Tax ID?
While EINs for nonprofits are public, most business EINs are not directly searchable online. However, EINs may appear on:
- SEC filings for publicly traded companies
- Credit reports
- Invoices or tax forms (W-9, 1099)
Why You Might Need to Verify a Tax ID Number
- Confirming legitimacy of a vendor or partner
- Preparing W-9 or 1099 forms
- Ensuring tax filing accuracy
- Detecting fraud or impersonation
Final Thoughts
So, can you verify a tax ID number? Yes—but the method depends on your role and the type of entity. Use IRS resources for accurate verification, especially when handling sensitive tax documents.