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D&B D‑U‑N‑S® Number Lookup for U.S. Federal Government CustomersLook up your business by name or phone number to confirm its address. Enter the address exactly as displayed in the results into the SAM website. This level of precision is required for SAM to accurately identify your business.

D‑U‑N‑S Number Lookup

Search By Company Name

Look up a U.S. D-U-N-S Number with the company’s name and location.

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Search By Phone Number

Look up a U.S. D-U-N-S Number with the company’s phone number.

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D&B D‑U‑N‑S® Number Lookup for U.S. Federal Government Customers


For companies outside of the US, VI & PR send request to SAMhelp@dnb.com.

If you require an update to your company data or require a new D-U-N-S Number, please visit: Government D-U-N-S Number Website

Our Government website provides non-publicly traded companies that are doing business with the US Federal Government convenient access to Dun & Bradstreet information on their business. Registered users can view, print, and submit updates to their Dun & Bradstreet record as well as request a new D-U-N-S Number. D-U-N-S Number assignment and modifications are done rapidly and free of charge.

If you should have any additional questions, please review the FAQ's or email us at govt@dnb.com.


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