Dun & Bradstreet
Businesswoman Working On Laptop At Desk In Office

D-U-N-S Number

About the D‑U‑N‑S Number

Find answers to your D‑U‑N‑S® Number questions here.

What Is a D‑U‑N‑S Number and Why Do I Need It?

The Dun & Bradstreet D‑U‑N‑S Number is a unique nine-digit identifier for businesses that is associated with a business’s Live Business Identity which may help evaluate potential partners, seek new contracts, apply for loans, and so much more.

Learn More

How do I get, find, and manage a D‑U‑N‑S Number?

Get a
 D‑U‑N‑S Number

How do I Get a
 D‑U‑N‑S Number?

Getting a D‑U‑N‑S Number is free, so gather your basic business information and get started here.

Learn More

Look Up a
 D‑U‑N‑S

How Do I Look Up a
 D‑U‑N‑S Number?

Look up your own D‑U‑N‑S Number or the number of a company you want to do business with.

Learn More

Require a D-U-N-S

Do Companies Require a D‑U‑N‑S Number?

Many businesses will use your D-U-N-S Number to access your company’s Dun & Bradstreet credit profile to help evaluate you as a partner.

Learn More