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Dun & Bradstreet
D-U-N-S® Number
Establish your business, get noticed and control your story in the global marketplace.
What's a D‑U‑N‑S Number?The D-U-N-S Number is a unique nine-digit identifier for businesses. It is used to establish a 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. D-U-N-S, which stands for data universal number system, is used to and maintain accurate and timely information on +280M global businesses.

Other Companies’ D-U-N-S Numbers

Manage Cash Flow

Many businesses face overwhelming cash flow problems. Accessing another company’s business credit file using the D-U-N-S Number can help you make decisions on how to manage your business’s cash. Learn more about managing cash flow

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Prevent Bad Debt

It can be difficult to resolve existing bad debt, but you can try to prevent it. Using the D-U-N-S Number to access another company’s business credit file, can help you avoid risky situations and unpaid invoices. Learn more about managing bad debt

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Register for a D‑U‑N‑S NumberEstablish your business profile with Dun & Bradstreet and register for a free D‑U‑N‑S Number. As part of our global business network, you’ll not only get noticed – you’ll have an open door to opportunities worldwide.
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D‑U‑N‑S Number Lookup

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

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

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A Powerful Advantage for Your Business
Make sure banks and lenders see accurate, up-to-date information about your business.
Get discovered in the world’s largest business information directory.

What is a D‑U‑N‑S Number?Learn More About the D‑U‑N‑S Number
Demystifying the D-U-N-S NumberGet More Information
D‑U‑N‑S Number LookupStart a Search
Get a D‑U‑N‑S NumberRegister Now
Monitor Changes to Your D&B Scores & Ratings With CreditSignalStart Monitoring
Apple D-U-N-S FAQWork with Apple
D‑U‑N‑S Numbers for U.S. Government Contractors & GranteesLearn More


* CreditSignal only indicates that your D&B scores and ratings have changed and alerts you when your business credit file has been purchased. To view actual scores and ratings and learn about what industries are purchasing your D&B file, we recommend that you upgrade to one of our business credit monitoring or credit building solutions. Please note, due to the proprietary nature of these inquiries and inquiry requests, only the industries in which the purchasing customers reside will be revealed.

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