Valaichenai Postal Code
| City | Postal Code | District |
|---|---|---|
| Kalkudah | 30410 | Batticaloa |
| Oddamavadi | 30420 | Batticaloa |
| Vakaneri | 30424 | Batticaloa |
| Miravodai | 30426 | Batticaloa |
| Punanai | 30428 | Batticaloa |
| Mankerni | 30442 | Batticaloa |
| Panichankerni | 30444 | Batticaloa |
| Vakarai | 30450 | Batticaloa |
| Kathiraveli | 30456 | Batticaloa |
| Trincomalee | 31000 | Trincomalee |
| Sampaltivu | 31006 | Trincomalee |
| Nilaveli | 31010 | Trincomalee |
| Kumburupiddy | 31012 | Trincomalee |
| Kuchchaveli | 31014 | Trincomalee |
| Tiriyai | 31016 | Trincomalee |