| postal codes | Place Name | County | State | latitude | longitude | Map | |
|---|---|---|---|---|---|---|---|
| 31000 | Trincomalee | Trincomalee | Eastern Province | 8.5711 | 81.2335 | Google Maps | |
| 31006 | Sampaltivu | Trincomalee | Eastern Province | 8.6263 | 81.2127 | Google Maps | |
| 31010 | Nilaveli | Trincomalee | Eastern Province | 8.6833 | 81.2 | Google Maps | |
| 31012 | Kumburupiddy | Trincomalee | Eastern Province | 8.7353 | 81.1623 | Google Maps | |
| 31014 | Kuchchaveli | Trincomalee | Eastern Province | 8.8146 | 81.099 | Google Maps | |
| 31016 | Tiriyayi | Trincomalee | Eastern Province | 8.7444 | 81.1538 | Google Maps | |
| 31026 | Gomarankadawala | Trincomalee | Eastern Province | 8.6749 | 80.9548 | Google Maps | |
| 31028 | Buckmigama | Trincomalee | Eastern Province | 8.6749 | 80.9548 | Google Maps | |
| 31032 | Kanniya | Trincomalee | Eastern Province | 8.6333 | 81.0317 | Google Maps | |
| 31034 | Pankulam | Trincomalee | Eastern Province | 8.6333 | 81.0317 | Google Maps | |
| 31036 | Mahadivulwewa | Trincomalee | Eastern Province | 8.6333 | 81.0317 | Google Maps | |
| 31038 | Rottawewa | Trincomalee | Eastern Province | 8.6333 | 81.0317 | Google Maps | |
| 31046 | Tampalakamam | Trincomalee | Eastern Province | 8.4995 | 81.0972 | Google Maps | |
| 31050 | Chinabay | Trincomalee | Eastern Province | 8.5164 | 81.1891 | Google Maps | |
| 31053 | Vellamanal | Trincomalee | Eastern Province | 8.5164 | 81.1891 | Google Maps | |
| 31100 | Kinniya | Trincomalee | Eastern Province | 8.4981 | 81.1779 | Google Maps | |
| 31106 | Maharugiramam | Trincomalee | Eastern Province | 8.4981 | 81.1779 | Google Maps | |
| 31112 | Kurinchakemy | Trincomalee | Eastern Province | 8.4981 | 81.1779 | Google Maps | |
| 31200 | Mutur | Trincomalee | Eastern Province | 8.45 | 81.2667 | Google Maps | |
| 31212 | Kaddaiparichchan | Trincomalee | Eastern Province | 8.45 | 81.2833 | Google Maps | |
| 31216 | Sampur | Trincomalee | Eastern Province | 8.4854 | 81.291 | Google Maps | |
| 31220 | Kiliveddy | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31222 | Somapura | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31224 | Mallikativu | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31226 | Dehiwatte | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31228 | Neelapola | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31232 | Serunuwara | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31234 | Lankapatuna | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31236 | Echchilampattai | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31238 | Mawadichenai | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31250 | Toppur | Trincomalee | Eastern Province | 8.4055 | 81.3086 | Google Maps | |
| 31260 | Seruwila | Trincomalee | Eastern Province | 8.4477 | 81.2874 | Google Maps | |
| 31300 | Kantalai | Trincomalee | Eastern Province | 8.3683 | 81.0281 | Google Maps | |
| 31304 | Agbopura | Trincomalee | Eastern Province | 8.3249 | 80.9794 | Google Maps | |
| 31306 | Kantalai Sugar Factory | Trincomalee | Eastern Province | 8.3466 | 81.0037 | Google Maps | |
| 31308 | Wanela | Trincomalee | Eastern Province | 8.3466 | 81.0037 | Google Maps | |
| 31312 | Mullipothana | Trincomalee | Eastern Province | 8.3466 | 81.0037 | Google Maps | |
| 31314 | Sirajnagar | Trincomalee | Eastern Province | 8.3466 | 81.0037 | Google Maps | |
| 31318 | Galmetiyawa | Trincomalee | Eastern Province | 8.3466 | 81.0037 | Google Maps |