Telecommunications in Trinidad and Tobago include radio, television, fixed and mobile telephones, and the Internet. Radio and television ITU call sign prefix: National: 9Y and 9Z Amateur radio: 9Y4 and 9Z4 Broadcast: 9Y3 Commercial land mobile: 9Y7 Radio stations: 5 radio networks, one state-owned, broadcast over about 35 stations (2007); 1 medium wave AM, 35 VHF FM, and no shortwave stations (2006). Radios: 680,000 (1997). Amateur radio operators: ~400. Television stations: 5 TV networks, one of which is state-owned, broadcast on multiple stations (2007); 3 TV stations (2006). Television sets: 425,000 (1997). BBC World Service radio is available on 98.7 FM. Telephones Country Code: +1 Area Code: 868 International Call Prefix: 011 (outside NANP) Calls from Trinidad and Tobago to the US, Canada, and other NANP Caribbean nations, are dialed as 1 + NANP area code + 7-digit number. Calls from Trinidad and Tobago to non-NANP countries are dialed as 011 + country code + phone number with local area code. Number Format: nxx-xxxx Main lines: 287,000 lines in use, 119th in the world (2012); 209,000 lines in use (1995). Mobile cellular: 1.9 million lines, 147th in the world (2012); 1.5 million lines (2007). Telephone system: excellent international service, tropospheric scatter to Barbados and Guyana; good local service; combined fixed-line and mobile-cellular teledensity roughly 170 telephones per 100 persons (2011). Communications cables: five systems, AMERICAS-II, Eastern Caribbean Fibre System (ECFS), Global Caribbean Network (GCN), Suriname-Guyana Submarine Cable System (SG-SCS), and Trinidad-Curaçao, provide connectivity to the U.S., parts of the Caribbean and South America (2011). Satellite earth stations: One Intelsat (Atlantic Ocean) (2011). Landline Provider: Telecommunications Services of Trinidad and Tobago (TSTT)., Digicel Play, Cable & Wireless Communications (branded as FLOW), Amplia and RVR Technologies Ltd. Mobile Providers: Digicel and bmobile (TSTT). Cable & Wireless Communications has been shortlisted by TATT to receive an LTE License. Internet Top level domain: .tt Internet users: 846,000 users, 137th in the world; 69.2% of the population (July 2016 est.). 729,897 users, 123rd in the world; 59.5% of the population, 66th in the world (2012). 593,000 users, 115th in the world (2009). Fixed broadband: 166,948 subscriptions, 86th in the world; 13.6% of population, 65th in the world (2012). Wireless broadband: 18,028 subscriptions, 132nd in the world; 1.5% of the population, 131st in the world (2012). Internet hosts: 241,690 users, 69th in the world (2012). IPv4: 470,016 addresses allocated, less than 0.05% of the world total,