Telephones - main lines in use: 163.2 million (2007)
Telephones - mobile cellular: 255 million (2007)
Telephone system: general assessment: a large, technologically advanced, multipurpose communications system domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country international: country code - 1; multiple ocean cable systems provide international connectivity; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000)
Radio broadcast stations: AM 4,789, FM 8,961, shortwave 19 (2006)
Television broadcast stations: 2,218 (2006)
Internet country code: .us
Internet Service Providers (ISPs):
Internet users: 223 million (2008)