Lookup
EIN Lookup on IRS Guide
Look up an EIN using IRS Tax Exempt Org Search (nonprofits, free), call IRS at 800-829-4933 (your own EIN only), SEC EDGAR (public companies), or state databases.
Methods
IRS EIN Search Methods
1. Tax Exempt Org Search (Free)
- URL: apps.irs.gov/app/eos
- Searches: 501(c)(3) organizations, charities
- Shows: EIN, name, city, state, ruling date
2. Call IRS (Your Own EIN Only)
- Number: 800-829-4933 / 267-941-1099
- Must be authorized responsible party
- Cannot look up others' EINs
3. SEC EDGAR (Public Companies)
- URL: sec.gov/edgar
- EIN in 10-K/10-Q filing headers
- Free
4. State SOS Databases
- Varies by state
- Not all states show EINs
Limitations
Why Lookup Is Limited
EINs are confidential under IRC Section 6103. The IRS protects them like SSNs.
| To Find | Method | |---------|--------| | Nonprofit EIN | IRS Tax Exempt Search | | Public company EIN | SEC EDGAR | | Private company EIN | Request W-9 | | Your own EIN | Call IRS or check CP 575 |
Related
Related
- EIN lookup — Full overview
- Free EIN lookup — Free methods
- EIN lookup by name — Search by company
- EIN verification — Verify a known EIN
Frequently Asked Questions
Can I look up an EIN on irs.gov?
Only for nonprofits. The IRS Tax Exempt Organization Search is free for 501(c)(3) organizations. No tool exists for private businesses.
How do I find a company's EIN?
Nonprofits: IRS search. Public companies: SEC EDGAR. Private: request W-9 form or check state databases.
Can I call IRS to look up an EIN?
Only YOUR OWN EIN. The IRS will not disclose others' EINs by phone.
Is there a free EIN lookup?
IRS nonprofit search and SEC EDGAR are free. No universal free lookup exists for all businesses.
Why can't I find a private EIN?
EINs are confidential tax info under IRC Section 6103. Private companies share theirs via W-9 form.
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