Data Universal Numbering System

**Semantic type:** Intellectual Product

**Definition:** A proprietary system developed and regulated by Dun & Bradstreet that assigns a unique nine digit numeric identifier to a single business entity location.

**Synonyms:** - D-U-N-S - D-U-N-S NUMBER - D-U-N-S Number - DUNS - DUNS - DUNS Numbers - Data Universal Number System