Sri Lanka Reference
Look-up material for Sri Lanka — Colombo postal codes and named suburbs, practical facts and units, emergency preparedness, and civics/history for quick reference.
Colombo geography
Colombo's numbered postal codes and named suburbs — matched to the Sri Lanka Post directory.
Colombo 1 to 15 Name List: All 15 Area Names and Suburbs
Colombo 1 is Fort, Colombo 2 Kompanna Veediya, Colombo 7 Cinnamon Gardens. Full Colombo 1–15 name list with postcodes, plus the Greater Colombo suburbs.
Last reviewed 2026-08-03
Colombo Postal Codes and Zip Codes: City and Suburb List
Nugegoda 10250, Rajagiriya 10107, Wellampitiya 10600, Angoda 10620. Every Colombo city and suburb postal code, checked against the Sri Lanka Post directory.
Last reviewed 2026-08-03
Facts & units
Practical facts a reader needs once and remembers forever.
Emergencies & preparedness
Tsunami and disaster context tied to primary Meteorological Department and Disaster Management Centre reports.
Tsunami Alert Systems in Focus: Sri Lanka’s Response to the Russian Kamchatka Earthquake of July 30, 2025
How Sri Lanka's tsunami warning system responded to Russia's 8.8 earthquake on July 30, 2025. In-depth analysis of IOTWS protocols and preparedness.
Last reviewed 2025-07-31
How Far Inland Did the 2004 Tsunami Go in Sri Lanka?
Find the answer for the question, how far inland did the 2004 tsunami go in sri lanka?
Last reviewed 2025-07-31
History & civics
Reference-grade coverage of Sri Lanka's political and constitutional milestones.
How Many Presidencies Have Been There in Sri Lanka?
Find Sri Lanka's 10 presidencies from 1972 to 2024. Learn about the evolution from ceremonial to executive presidency, key achievements, and constitutional changes.
Last reviewed 2025-07-31
When was the Act Passed to Recognize Sinhala as the Only Official Language in Sri Lanka?
Get the answer for the question: When was the Act Passed to Recognize Sinhala as the Only Official Language in Sri Lanka?
Last reviewed 2025-07-31
When Did Representatives from Different Countries Meet in Sri Lanka?
Get the answer for the question: When Did Representatives from Different Countries Meet in Sri Lanka?
Last reviewed 2025-07-31
How Did Majoritarianism Cause Civil War in Sri Lanka?
Find the answer for the question, how did majoritarianism cause civil war in sri lanka?
Last reviewed 2025-07-31
How Did the Tamils Make Efforts to Gain Power in Sri Lanka?
Find the answer for the question, how did the tamils make efforts to gain power in sri lanka?
Last reviewed 2025-07-31
Lottery
Factual coverage of Sri Lanka lotteries — results and how the draws work. No prediction or "winning strategy" claims.