United States - Communications
Geography - People - Economy - Government - Communications - Transportation - Military - Transnational IssuesUnited States is located North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico. The climate is mostly temperate, but tropical in Hawaii and Florida, arctic in Alaska, semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm chinook winds from the eastern slopes of the Rocky Mountains. The terrain is vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii.
Telephones
Telephones - main lines in use : 163.2 million (2007)
Telephones - mobile cellular : 255 million (2007)
Telephone system
This entry includes a brief general assessment of the system with details on the domestic and international components. The following terms and abbreviations are used throughout the entryTelephone system - general assessment : a large, technologically advanced, multipurpose communications system
Telephone 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
Telephone system - 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
This entry includes the total number of AM, FM, and shortwave broadcast stations.Radio broadcast stations : AM 4,789, FM 8,961, shortwave 19 (2006)
Radios
Radios : 575 million (1997)
Television broadcast stations
Television broadcast stations : 2,218 (2006)
Televisions
Televisions : 219 million (1997)
Internet country code
This entry includes the two-letter codes maintained by the International Organization for Standardization (ISO) in the ISO 3166 Alpha-2 list and used by the Internet Assigned Numbers Authority (IANA) to establish country-coded top-level domains (ccTLDs).Internet country code : .us
Internet hosts
This entry lists the number of Internet hosts available within a country. An Internet host is a computer connected directly to the Internet; normally an Internet Service Provider's (ISP) computer is a host. Internet users may use either a hard-wired terminal, at an institution with a mainframe computer connected directly to the Internet, or may connect remotely by way of a modem via telephone line, cable, or satellite to the Internet Service Provider's host computer. The number of hosts is one indicator of the extent of Internet connectivity.Internet hosts - the following top level domain host addresses : .us, .com, .edu, .gov, .mil, .net, and .org
Internet Service Providers (ISPs)
Internet Service Providers (ISPs) : 7,000 (2002 est.)
Internet users
This entry gives the number of users within a country that access the Internet. Statistics vary from country to country and may include users who access the Internet at least several times a week to those who access it only once within a period of several months.Internet users : 223 million (2008)
More Information about the country
