Trincomalee District Postal Codes in Sri Lanka.
| Agbopura | 31304 |
| Buckmigama | 31028 |
| Chinabay | 31050 |
| Dehiwatte | 31226 |
| Echchilampattai | 31236 |
| Galmetiyawa | 31318 |
| Gomarankadawala | 31026 |
| Kaddaiparichchan | 31212 |
| Kanniya | 31032 |
| Kantalai | 31300 |
| Kantalai Sugar Factory | 31306 |
| Kiliveddy | 31220 |
| Kinniya | 31100 |
| Kuchchaveli | 31014 |
| Kumburupiddy | 31012 |
| Kurinchakemy | 31112 |
| Lankapatuna | 31234 |
| Mahadivulwewa | 31036 |
| Maharugiramam | 31106 |
| Mallikativu | 31224 |
| Mawadichenai | 31238 |
| Mullipothana | 31312 |
| Mutur | 31200 |
| Neelapola | 31228 |
| Nilaveli | 31010 |
| Pankulam | 31034 |
| Rottawewa | 31038 |
| Sampaltivu | 31006 |
| Sampur | 31216 |
| Serunuwara | 31232 |
| Seruwila | 31260 |
| Sirajnagar | 31314 |
| Somapura | 31222 |
| Tampalakamam | 31046 |
| Tiriyayi | 31016 |
| Toppur | 31250 |
| Trincomalee | 31000 |
| Vellamanal | 31053 |
| Wanela | 31308 |
