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What is a
Dun & Bradstreet
D-U-N-S® Number?
Learn what the D-U-N-S Number is and how you can use yours to grow your business.

Definition of the D-U-N-S Number

Created in 1962, the Data Universal Numbering System or D-U-N-S Number is D&B's copyrighted, proprietary means of identifying business entities on a location-specific basis. 

Assigned and maintained solely by D&B, this unique nine-digit identification number has been assigned to over 300 million businesses worldwide.

The D-U-N-S Number is a unique nine-digit identifier for businesses. It is used to establish a Dun & Bradstreet business credit file, which is often referenced by lenders and potential business partners to help predict the reliability and/or financial stability of the company in question. If you want to bid on government proposals, you will need to get a D-U-N-S Number for each physical location of your business.

How Can I Register for My D-U-N-S Number?

Get Your D-U-N-S Number