| Short Code | Purpose | Organization |
| 1900 | Customer Care Hot Line for matters related to telecommunications sector | TRCSL (Telecommunications Regulatory commission of Sri Lanka) |
| 1901 | Hot Line for complaints regarding electricity service | Ministry of Power & Energy |
| 1905 | Hot Line of Investigation & Monitoring Unit | Ministry of Public Administration & Home Affairs |
| 1908 | Hot Line for Presidential Secretariat | Presidential Secretariat Office |
| 1909 | IMEI Verification System | TRCSL (Telecommunications Regulatory commission of Sri Lanka) |
| 1910 | Hot Line for reporting Power supply breakdowns (LECO Areas) | LECO ( Lanka Electricity Company) |
| 1911 | To provide information and obtain complaints regarding examinations conducted by the Department of Examinations | Department of Examinations, Sri Lanka |
| 1912 | To provide tourism related information to tourists and general public | Sri Lanka Tourism Development Authority |
| 1918 | Hot Line for public inquiries related to higher education | Ministry of Higher Education |
| 1919 | Government Information Centre | ICTA (Information & Communication Technology Agency of Sri Lanka) |
| 1920 | Agricultural Services Center | Ministry of Agriculture Development |
| 1922 | Customer Care Hot Line of State Mortgage & Investment Bank | State Mortgage & Investment Bank |
| 1929 | Child Help Line | Ministry of Child Development & Women’s Empowerment |
| 1933 | Hot line for complaints related to Encroachment of lands, business premises, houses and writing of false deeds | Sri Lanka Police Department (CID Operation Unit) |
| 1938 | Women Help Line | Ministry of Child Development & Women’s Affairs |
| 1939 | Customer Care Hot Line of Water Board | National Water Supply & Drainage Board |
| 1948 | To obtain information related to tobacco and alcohol | National Authority on Tobacco & Alcohol |
| 1949 | To obtain more information about the services and forany queries. | The Associated Newspaper of Ceylon Ltd |
| 1950 | Hot Line for e- services provided by Postal Department | Department of Posts |
| 1954 | Hot Line for Complaints on Bribery and Corruptions | Commission to Investigate Allegation of Bribery or Corruptions |
| 1955 | For public complaints on long distance private buses | National Transport Commission |
| 1956 | To make complaints for those who can’t get services from government institutes in their own language | Ministry of National Languages & Social Integration |
| 1959 | To provide information and advices required by the public from National Hospital | National Hospital of Sri Lanka |
| 1962 | Hot Line for inquiries on immigration and emigration matters | Department of Immigration & Emigration |
| 1966 | To provide technical information and advices for public | Ministry of Technology & Research |
| 1968 | For public complaints related to roads | Road Development Authority |
| 1969 | For emergency calls to Southern Expressway Operations Centre | Road Development Authority |
| 1970 | For inquiries of Pensioners | Department of Pensions |
| 1973 | Customer service hot line for general public | Sri Lankan Air Lines Ltd. |
| 1977 | Hot line for Consumer Complaints and Inquiries | Consumer Affairs Authority |
| 1979 | Premium Service hot line for passengers on reservation and other information | Sri Lankan Air Lines Ltd |
| 1984 | Hot line for counseling and operational activities | National Dangerous Drugs Control Board |
| 1987 | Hot line for reporting power supply breakdown (CEB Areas) | Ceylon Electricity Board |
| 1988 | Hot line for National Operations Centre of Education Ministry | Ministry of Education |
| 1989 | Hot line for the complaints and grievances of foreign employees and their family members | Sri Lanka Bureau of Foreign Employment |
| 1990 | Emergency medical and ambulance service | Med 1 (Pvt) Ltd. |
| 1991 | To obtain public complaints relating to environmental protection & management of natural resources | Ministry of Environmental & Natural Resources |
| 1996 | Hot line for reporting Human Rights issues | Human Rights Commission of Sri Lanka |
