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D-U-N-S Number Lookup

A D-U-N-S Number is a unique nine-digit identifier assigned by Dun & Bradstreet (D&B) to business entities. It’s used worldwide to identify and verify businesses.

Why do you need one?

Apple requires a D-U-N-S Number to enroll in the Apple Developer Program as an organization. This verification ensures that only legitimate businesses can distribute apps on the App Store under an organization account.

How to look up your number

  1. 1.Visit the Apple D-U-N-S Number lookup tool to check if your organization already has a number.
  2. 2.If you don’t have one, you can request a free D-U-N-S Number through Apple’s lookup tool. The process typically takes up to 5 business days.
  3. 3.You can also look up or request your number directly through Dun & Bradstreet’s website.
Look Up Your D-U-N-S Number