Find or Verify an EIN
Lost your number, need proof of it, or need another company's.
Last updated November 5, 2026
Lost EIN? How to Get an IRS 147C Verification Letter
The 147C is the letter the IRS sends to confirm an existing EIN when the CP 575 is gone. Who may ask, the exact call, fax or mail delivery, and the five places your EIN is already written down.
EIN Lookup: How to Find Your EIN (or Another Company's)
Your own EIN is on five documents you already have. Another company's EIN is public only in specific cases. Where to look, in order, and the one route that always works.
How to Find Your LLC's EIN Number
The six places an LLC's EIN is already written down, the state filing number that is not it, the case where the LLC never had one, and the 147C call that always works.
How to Find a Company's EIN
The ways to find another company's EIN, what works for which kind of company, and what will not work.
How to Find Your Employer's EIN: W-2 Box b and Other Places
It is in box b of your W-2. Without one, try last year's return, your payroll portal or Form 1095-C. Why the IRS has no public lookup and which records do show it.
How to Verify an EIN: Check That a Tax ID Is Real
The IRS has no public lookup, but payers can use TIN Matching, anyone can ask for the CP 575 or 147C letter and a W-9, and nonprofits and public companies are on the public record. Which route fits, and what verification sites actually do.
IRS CP 575 Letter (Your EIN Letter): What It Is and Where to Find Yours
The EIN letter the IRS issues when it assigns the number, created once and never reissued. What it contains, where your copy went depending on how you applied, and what banks accept instead.
EIN Confirmation Letter: CP 575 vs 147C vs the Digital CP 575
Three IRS documents prove an EIN, and which one you can get depends on how you applied and how your business files. Who gets each, how it arrives, how long it takes, the 30-day rule, and what banks accept.
TIN Matching: How to Verify a Name and Number
The IRS TIN Matching program lets eligible payers check a name and number together. Who can use it and what to do otherwise.
Sunbiz EIN: Look Up, Add or Get an EIN for a Florida LLC
Sunbiz does not issue EINs, but its records have an FEI/EIN field you can search. What NONE and APPLIED FOR mean, how to add your number, and where to get one.
Nonprofit EIN Lookup: How to Find a Charity's Tax ID Number
Nonprofit EINs are public. The IRS Tax Exempt Organization Search, Form 990 databases and a W-9, plus why churches and new groups are missing and what a listing does and does not prove.
Daycare EIN Lookup: Finding Your Child Care Provider's Tax ID
A daycare's EIN is not public unless the provider is a nonprofit. Where the number already is, how to ask with Form W-10, what to enter on Form 2441 for a sitter, a center and a church daycare, and what to do when a provider refuses.
EIN Number Format: What an EIN Looks Like
Nine digits written XX-XXXXXXX, with a prefix that shows the IRS campus or the online application and no check digit. Every valid prefix from the IRS's list, EIN vs SSN vs ITIN at a glance, and the formatting mistakes that get forms rejected.
Skip the paperwork. Our specialists prepare and file your EIN application and get your EIN to you, typically within 2 to 4 business days (about 11 if it has to go by fax).
Start Now →Get Your EIN the Easy Way
Answer a few questions in about 5 minutes. Our specialists prepare your IRS Form SS-4, file it, personally handle any rejection or name conflict along the way, and get your EIN to you, typically within 2 to 4 business days, or about 11 when the IRS requires the application by fax. One flat $197 service fee. No upsells, no subscriptions.
- ✓ Prepared and filed by specialists
- ✓ Error 101 and rejection handling included
- ✓ Data encrypted (AES-256)
- ✓ Order tracking and email updates
You can also apply for an EIN directly with the IRS at irs.gov at no cost.