Kaddaiparichchan Postal Code
| City | Postal Code | District |
|---|---|---|
| Sampoor | 31216 | Trincomalee |
| Kiliveddy | 31220 | Trincomalee |
| Somapura | 31222 | Trincomalee |
| Mallikativu | 31224 | Trincomalee |
| Dehiwatte | 31226 | Trincomalee |
| Neelapola | 31228 | Trincomalee |
| Serunuwara | 31232 | Trincomalee |
| Lankapatuna | 31234 | Trincomalee |
| Ichchilampattai | 31236 | Trincomalee |
| Mawadichchenai | 31238 | Trincomalee |
| Toppur | 31250 | Trincomalee |
| Seruwila | 31260 | Trincomalee |
| Kantale | 31300 | Trincomalee |
| Agbopura | 31304 | Trincomalee |
| Kantale Sugar Factory | 31306 | Trincomalee |