How do you search for a federal tax ID number?


Quick Answer

To find the federal tax identification number, commonly known as an Employer ID number or EIN, check existing documentation, call the bank that handles your business accounts, or contact the Internal Revenue Service directly.

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Full Answer

  1. Check IRS documentation

    When the IRS issues an EIN, it sends a document to the business owner that includes the full EIN and explains its purpose.

  2. Contact financial institutions

    Many banks and other financial institutions require an EIN for business taxation tracking and accounting purposes. The bank that handles a company's accounts may provide this information for legitimate purposes.

  3. Call the IRS

    The Business and Tax Specialty line at the IRS can help locate missing or lost numbers. Call them at (800) 829-4933, and follow the prompts.

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