Telecommunications Service Providers and Networks in Sri Lanka

2G capabilities   GSM 900, GSM 1800
3G capabilities   UMTS 2100
4G capabilities   LTE 1800

Make sure your phone is ready to use under these frequencies before your visit.If not you can buy a basic phone under 30$ in local market for calling and messaging purpose . 

Useful Tourist Related Telephone Numbers Within Sri Lanka

Here some information on contact numbers can be useful in your visit to Sri lanka. 




Sri Lanka Tourism Hotline 1912 (Within Sri Lanka)
Police (+94) 11 2433333
Immigration & Emigration 011 2503629,(+94) 11 2597510-3 (visas)
Fire (+94) 11 2422222-3
Travel Information Centre (+94) 11 2503629
Directory Enquires 161 International Enquires 134
Flight Information (+94) 732377, (+94) 732677
Sri Lanka Tourism (+94) 11 2437055, (+94) 11 2437059, (+94) 11 2437060
Travel Agents Association (+94) 11 2421745-47
Sri Lanka Customs (+94) 11 2421141-9, (+94) 11 2470945-9
General Hospital (+94) 11 2691111
General Post office (+94) 11 2326302, (+94) 11 2320722, (+94) 11 2448482
Railway Tourist Office (+94) 11 2435838
Central Bus Stand (+94) 11 2329604-5