| Country | Telephone system |
| Turks and Caicos Islands | general assessment: fully digital system with international direct dialing
domestic: full range of services available; GSM wireless service available
international: country code - 1-649; the Americas Region Caribbean Ring System (ARCOS-1) fiber optic telecommunications submarine cable provides connectivity to South and Central America, parts of the Caribbean, and the US; satellite earth station - 1 Intelsat (Atlantic Ocean) |
| Tuvalu | general assessment: serves particular needs for internal communications
domestic: radiotelephone communications between islands
international: country code - 688; international calls can be made by satellite |
| Uganda | general assessment: seriously inadequate; mobile cellular service is increasing rapidly, but the number of main lines is still deficient; e-mail and Internet services are available
domestic: intercity traffic by wire, microwave radio relay, and radiotelephone communication stations, fixed and mobile-cellular systems for short-range traffic
international: country code - 256; satellite earth stations - 1 Intelsat (Atlantic Ocean) and 1 Inmarsat; analog links to Kenya and Tanzania |
| Ukraine | general assessment: Ukraine's telecommunication development plan emphasizes improving domestic trunk lines, international connections, and the mobile-cellular system
domestic: at independence in December 1991, Ukraine inherited a telephone system that was antiquated, inefficient, and in disrepair; more than 3.5 million applications for telephones could not be satisfied; telephone density is rising and the domestic trunk system is being improved; about one-third of Ukraine's networks are digital and a majority of regional centers now have digital switching stations; improvements in local networks and local exchanges continue to lag; the mobile-cellular telephone system is expanding rapidly
international: country code - 380; 2 new domestic trunk lines are a part of the fiber-optic Trans-Asia-Europe (TAE) system and 3 Ukrainian links have been installed in the fiber-optic Trans-European Lines (TEL) project that connects 18 countries; additional international service is provided by the Italy-Turkey-Ukraine-Russia (ITUR) fiber-optic submarine cable and by an unknown number of earth stations in the Intelsat, Inmarsat, and Intersputnik satellite systems |
| United Arab Emirates | general assessment: modern fiber-optic integrated services; digital network with rapidly growing use of mobile-cellular telephones; key centers are Abu Dhabi and Dubai
domestic: microwave radio relay, fiber optic and coaxial cable
international: country code - 971; linked to the international submarine cable FLAG (Fiber-Optic Link Around the Globe); landing point for both the SEA-ME-WE-3 AND SEA-ME-WE-4 submarine cable networks; satellite earth stations - 3 Intelsat (1 Atlantic Ocean and 2 Indian Ocean) and 1 Arabsat; tropospheric scatter to Bahrain; microwave radio relay to Saudi Arabia |
| United Kingdom | general assessment: technologically advanced domestic and international system
domestic: equal mix of buried cables, microwave radio relay, and fiber-optic systems
international: country code - 44; numerous submarine cables provide links throughout Europe, Asia, Australia, the Middle East, and US; satellite earth stations - 10 Intelsat (7 Atlantic Ocean and 3 Indian Ocean), 1 Inmarsat (Atlantic Ocean region), and 1 Eutelsat; at least 8 large international switching centers |
| United States | 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) |
| United States Pacific Island Wildlife Refuges | void |
| Uruguay | general assessment: fully digitalized
domestic: most modern facilities concentrated in Montevideo; new nationwide microwave radio relay network; overall fixed-line and mobile-cellular teledensity is approaching 100 telephones per 100 persons
international: country code - 598; the UNISOR submarine cable system provides direct connectivity to Brazil and Argentina; satellite earth stations - 2 Intelsat (Atlantic Ocean) (2002) |
| Uzbekistan | general assessment: antiquated and inadequate; in serious need of modernization
domestic: the main line telecommunications system is dilapidated and telephone density is low; the state-owned telecommunications company, Uzbektelecom, is working on improving main line services; mobile services are growing swiftly, with the subscriber base more than doubling in 2007 to 5.8 million
international: country code - 998; linked by landline or microwave radio relay with CIS member states and to other countries by leased connection via the Moscow international gateway switch; after the completion of the Uzbek link to the Trans-Asia-Europe (TAE) fiber-optic cable, Uzbekistan will be independent of Russian facilities for international communications (2006) |
| Vanuatu | general assessment: NA
domestic: NA
international: country code - 678; satellite earth station - 1 Intelsat (Pacific Ocean) |
| Venezuela | general assessment: modern and expanding
domestic: domestic satellite system with 3 earth stations; recent substantial improvement in telephone service in rural areas; substantial increase in digitalization of exchanges and trunk lines; installation of a national interurban fiber-optic network capable of digital multimedia services; fixed-line teledensity is 16 per 100 persons; mobile-cellular subscribership jumped 50 percent in 2006
international: country code - 58; submarine cable systems provide connectivity to the Caribbean, Central and South America, and US; satellite earth stations - 1 Intelsat (Atlantic Ocean) and 1 PanAmSat; participating with Colombia, Ecuador, Peru, and Bolivia in the construction of an international fiber-optic network |
| Vietnam | general assessment: Vietnam is putting considerable effort into modernization and expansion of its telecommunication system, but its performance continues to lag behind that of its more modern neighbors
domestic: all provincial exchanges are digitalized and connected to Hanoi, Da Nang, and Ho Chi Minh City by fiber-optic cable or microwave radio relay networks; main lines have been substantially increased, and the use of mobile telephones is growing rapidly
international: country code - 84; a landing point for the SEA-ME-WE-3, the C2C, and Thailand-Vietnam-Hong Kong submarine cable systems; the Asia-America Gateway submarine cable system, scheduled for completion by the end of 2008, will provide new access links to Asia and the US; satellite earth stations - 2 Intersputnik (Indian Ocean region) |
| Virgin Islands | general assessment: modern system with total digital switching, uses fiber-optic cable and microwave radio relay
domestic: full range of services available
international: country code - 1-340; submarine cable connections to US, the Caribbean, Central and South America; satellite earth stations - NA |
| Wake Island | general assessment: satellite communications; 2 DSN circuits off the Overseas Telephone System (OTS)
domestic: NA
international: NA |
| Wallis and Futuna | general assessment: NA
domestic: NA
international: country code - 681 |
| West Bank | general assessment: NA
domestic: Israeli company BEZEK and the Palestinian company PALTEL are responsible for fixed line services; the Palestinian JAWAL company provides cellular services
international: country code - 970 (2004) |
| Western Sahara | general assessment: sparse and limited system
domestic: NA
international: country code - 212; tied into Morocco's system by microwave radio relay, tropospheric scatter, and satellite; satellite earth stations - 2 Intelsat (Atlantic Ocean) linked to Rabat, Morocco |
| World | general assessment: NA
domestic: NA
international: NA |
| Yemen | general assessment: since unification in 1990, efforts have been made to create a national telecommunications network
domestic: the national network consists of microwave radio relay, cable, tropospheric scatter, and GSM mobile-cellular telephone systems; fixed-line and mobile-cellular teledensity remains low by regional standards
international: country code - 967; landing point for the international submarine cable Fiber-Optic Link Around the Globe (FLAG); satellite earth stations - 3 Intelsat (2 Indian Ocean and 1 Atlantic Ocean), 1 Intersputnik (Atlantic Ocean region), and 2 Arabsat; microwave radio relay to Saudi Arabia and Djibouti |
| Zambia | general assessment: facilities are aging but still among the best in Sub-Saharan Africa
domestic: high-capacity microwave radio relay connects most larger towns and cities; several cellular telephone services in operation and network coverage is improving; Internet service is widely available; very small aperture terminal (VSAT) networks are operated by private firms
international: country code - 260; satellite earth stations - 2 Intelsat (1 Indian Ocean and 1 Atlantic Ocean) |
| Zimbabwe | general assessment: system was once one of the best in Africa, but now suffers from poor maintenance; more than 100,000 outstanding requests for connection despite an equally large number of installed but unused main lines
domestic: consists of microwave radio relay links, open-wire lines, radiotelephone communication stations, fixed wireless local loop installations, and a substantial mobile-cellular network; Internet connection is available in Harare and planned for all major towns and for some of the smaller ones
international: country code - 263; satellite earth stations - 2 Intelsat; 2 international digital gateway exchanges (in Harare and Gweru) |
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