Kudathanai Postal Code
| City | Postal Code | District |
|---|---|---|
| Nagarkovil | 40630 | Jaffna |
| Alvai | 40635 | Jaffna |
| Varany | 40640 | Jaffna |
| Kodikamam | 40700 | Jaffna |
| Mirusuvil | 40750 | Jaffna |
| Mannar | 41000 | Mannar |
| Madu Church | 41010 | Mannar |
| Palampiddy | 41015 | Mannar |
| MaduRoad | 41020 | Mannar |
| Periyakunchukkulam | 41025 | Mannar |
| Murunkan | 41030 | Mannar |
| Nanattan | 41033 | Mannar |
| P. P. Potkerny | 41045 | Mannar |
| Marichchikaddi | 41055 | Mannar |
| Arippu | 41060 | Mannar |