Whitepages is the largest online directory of contact info for Americans, as of 2009. The company provides contact information for people and businesses and earns the majority of its revenue from advertising.
The company has a searchable database of over 300 million people, as of 2015. Whitepages lists twice the amount of contact information of any other U.S. online directory service. Users can search for an individual's phone number and address, find out who lives at an address, and look up a person by his phone number. In addition to its online directory service website, Whitepages offers apps for Android and iOS devices.