Communications Of United States

Telephones main lines in use	181,599,900 (2003)
Telephones mobile cellular	158.722 million (2003)
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; 24 ocean cable systems in use; 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 4,762, FM 5,542, shortwave 18 (1998)
Radios	575 million (1997)
Television broadcast stations	more than 1,500 (including nearly 1,000 stations affiliated with the five major networks - NBC, ABC, CBS, FOX, and PBS; in addition, there are about 9,000 cable TV systems) (1997)
Televisions	219 million (1997)
Internet country code	.us
Internet hosts	115,311,958 (2002)
Internet Service Providers ISPs	7,000 (2002 est.)
Internet users	159 million (2002)

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