Sri Lanka Telecom PLC, doing business as SLTMobitel,[3] is the national telecommunications services provider in Sri Lanka and one of the country's largest companies[4] with an annual turnover in excess of Rs 100 billion. The company provides domestic and corporate services which include fixed and wireless telephony, Internet access and IT services to domestic, public and business sector customers. As of 2024 SLTMobitel was Sri Lanka's second largest mobile network operator with 7.1 million subscribers.[5]
SLTMobitel offers a variety of services and currently operates GSM, GPRS, EDGE, UMTS, HSPA, HSPA+, DC-HSPA+ and FD-LTE network utilising 2G, 3.5G, 4G and 4.5G, 5G technologies with VoLTE service.[6] It covers most of Sri Lanka with its GSM network.