What is the D-U-N-S Number?

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According to the D&B website, D&B's D-U-N-S Numbering system is "the widely recognized standard for identifying businesses among thousands of companies, marketplaces and regulatory entities." A nine-digit D-U-N-S number is assigned to each business location in the D&B global database. Companies all over the world use this numbering system to link information about suppliers, customers, and trading partners, thereby helping to identify the risks and opportunities in business relationships.

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