Q. What is a DUNS Number?


The Data Universal Numbering System (DUNS) Number is a unique, location-specific identifier that allows a company to accurately gauge and communicate its credit worthiness. The unique nine-digit identification number is assigned for each physical location of of a business. DUNS Number assignment is free for all businesses and is also required to register with the federal government for contracts or grants. The number is assigned by Dun & Bradstreet.

McDermott Library does not have access to any of the D&B online resources. However, Factiva does provide some DUNS numbers.

In Factiva hove your mouse on “Companies/Markets” in the upper black toolbar then click on “Company.”

In the next screen type the company name or ticker symbol into the “Smart Lookup” search box in the upper left screen. As you type the database will suggest names. Click on the correct matching corporation name.

In the next screen, the DUNS number is in the lower center screen below the telephone number and the ownership type



  • Last Updated Mar 14, 2017
  • Views 8
  • Answered By Jay McAllister

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