Dex One (formerly R.H. Donnelley) is one of the largest publishers of print and online directories in the US.  It distributes directories in nearly 30 states, serving more than 500,000 local and national advertisers.  In addition, Dex One provides such marketing products as print directories (Dex yellow and white pages), Internet Yellow Pages (DexKnows.com), and directory assistance via phone (1-800-Call-Dex).  It also provides marketing services such as keyword and search engine optimization.

1001 Winstead Dr.
Cary, NC USA 27513
Phone: 919-297-1600
Fax: 919-297-1285