Data Universal Numbering System (DUNS) numbers are nine-digit numbers issued by Dun and Bradstreet Inc. to identify each location bussiness all over the world.

Ariba Network uses DUNS numbers to uniquely identify each supplier. If you already have one, skip this step and continue with the next. But if don't, enter the following web address: www.dnb.com

• On the "How to obtain D-U-N-S Numbers" section, you will choose an option, depending if your company is located in or outside the U.S. This will drive you to a form (International D and B D-U-N-S Number Request) that must be filled up and submitted as well.
  
  
• You will receive a response via e-mail and must complete additional forms if needed.