Thunukkai Postal Code
| City | Postal Code | District |
|---|---|---|
| Puthuvedduvan | 42330 | Mullaitivu |
| Kilinochchi | 42400 | Kilinochchi |
| Vaddakachchi | 42405 | Kilinochchi |
| Ramanathapuram | 42408 | Kilinochchi |
| Skandapuram | 42415 | Kilinochchi |
| Konavil | 42420 | Kilinochchi |
| Akkarayankulam | 42425 | Kilinochchi |
| Vannerikulam | 42430 | Kilinochchi |
| Paranthan | 42500 | Kilinochchi |
| Uruthirapuram | 42502 | Kilinochchi |
| Murasumoddai | 42505 | Kilinochchi |
| Kandavalai | 42508 | Kilinochchi |
| Puliyampokkanai | 42509 | Kilinochchi |
| Tharmapuram | 42512 | Kilinochchi |
| Puthukkudiyiruppu | 42530 | Mullaitivu |