National DataBase - a Directory covering every American Name, Address, and Phone number. You can search Reverse Number, do Email Search, find Criminal Records, and make Background Checks on anyone. NDB.com - serving citizens since 1994. Visit National ... This privacy policy explicitly does NOT cover the people-search databases \u2014 it only points to a separate "Opt-Out Policy" that is referenced but not linked or explained in this text. The only contact mechanism given is postal mail to National Database, Attn: Privacy Department, 1717 Pennsylvania Avenue NW, Washington, DC 20006, plus a phone number ((202) 657-4480) and an unlabeled "Click Here" email link, so expect a manual, contact-based request with no stated timeline.