Iyakachchi Postal Code
| City | Postal Code | District |
|---|---|---|
| Thadduvankoddy | 42558 | Kilinochchi |
| Thalayady | 42563 | Kilinochchi |
| Aliyawalai | 42565 | Kilinochchi |
| Mulliyan | 42570 | Kilinochchi |
| Eluthumadduval | 42580 | Kilinochchi |
| Punakary | 42600 | Kilinochchi |
| Poonakary Nallur | 42606 | Kilinochchi |
| Kautharimunai | 42608 | Kilinochchi |
| Pallavarayankaddu | 42615 | Kilinochchi |
| Sivapuram | 42618 | Kilinochchi |
| Veravil | 42620 | Kilinochchi |
| Vinayagapuram | 42625 | Kilinochchi |
| Iranaitivu | 42630 | Kilinochchi |
| Vavuniya | 43000 | Vavuniya |
| Omanthai | 43050 | Vavuniya |