Nepal Doorsanchar Company Ltd, popularly known as Nepal Telecom is state owned telecommunication service provider in Nepal with 91.49% of the government share. The company was a monopoly until 2003, when the first private sector operator UTL started providing basic telephony services. The central office of Nepal Telecom is located at Bhadrakali Plaza, Kathmandu. It has branches, exchanges and other offices in 184 locations within the country. It is the sole provider of fixed line, ISDN and leased-line services in Nepal. Following the entry of Ncell (previously called Mero Mobile) into Nepal's telecommunications industry in 2005, it is no longer the only provider of GSM mobile service. With more than 5,400 employees, it is one of the largest corporations of Nepal. It has a total of 262 telephone exchanges in various parts of the country serving 603,291 PSTN lines, more than 5 million GSM cellular phones and more than a million CDMA phone line as of July 2011. According to recent data, there are about 10 million users of Nepal Telecom including all those of fixed landline, GSM mobile, CDMA and internet service. Nepal Telecom Launched 4G LTE Service on 1 January 2017. It is the first operator to provide 4G LTE service in Nepal on technology neutral frequency band of 1800 MHz as standard for 4G in Nepal.