Individuals and businesses can apply for D-U-N-S numbers at the Dun & Bradstreet website, DNB.com. Dun & Bradstreet provides the number without charge. Generally, it takes approximately 20 business days for businesses based in the United States to obtain their numbers as of 2015.
To obtain a D-U-N-S number, an applicant must provide a name, business title, email address, business telephone number and physical business address. The application also requires the legal name and legal structure of the business, the year the business began, its number of employees, and the applicant's home address. Dun & Bradstreet may contact the applicant to verify the information. An individual or business must obtain a D-U-N-S numbers to do business with the federal government.