Business & Finance Taxes

How Do I Verify a Corporate Tax ID Number?

By Business & Finance Last updated Sunday, June/02/2024

1). Call the IRS's Business and Specialty Tax line at (800) 829-4933. The lines are open Monday through Friday, 7:00 a.m. to 10:00 p.m., local time. The IRS agent will be able to verify if the EIN is valid.
2). Visit the HIPAA Space Employer Identification Number (EIN) Validation tool (see Resources). The HIPAA Space tool is run by the Department of Health and Humans Services and will cross check the EIN with the IRS database. Type the EIN into the "Employer Identification Number (EIN) Number" text box and then click "Validate."
3). Navigate to the Security and Exchange Commission's (SEC's) Electronic Data Gathering Analysis and Retrieval (EDGAR) website. Type the company name into the "Company Name" text box and then press "Enter." If the corporation is publicly traded, the company will show up on the following page. Click on the Central Index Key "CIK" to the left of the company name, then click "Documents." The EIN for the company will be on the first page of any SEC filings.

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