

Unless you are running a Schedule C company under your social security number, you should have an Employer Identification Number (EIN) that is used for tax purposes by the IRS.
Customer assistance is also available toll-free at 1-866-255-0654, a.m. Please also see - Pub 2108-A, On-Line Taxpayer Identification Number (TIN) Matching Program for more information.
You can also view a Federal, State, Local Government (FSLG) webinar that includes an illustration of the TIN Matching program.
Employees or suppliers may wish to verify an organization's EIN.
Depending on the type of organization in question, there are a couple of ways to go about the verification.
Interactive TIN Matching will accept up to 25 payee TIN/Name combinations on-screen while Bulk TIN Matching will allow up to 100,000 payee TIN/Name combinations to be matched via a text file submission.
Both programs will: Individuals who are authorized to act for the federal, state, local, or tribal government must first register to use e-services and select a username, password and PIN.
Continue Reading FEIN search services may not be complete.
In particular, recently issued EINs may not show up in search results.
The IRS is one source but only has limited access to charity EIN numbers where outside providers have more elaborate search capabilities. Find an EIN or FEIN search service through a tax adviser or internet search, and enlist its services.
Many of these services are fee-based services where you can provide the EIN and the service will confirm the details of the employer.