Welmilla Junction Postal Code
| City | Postal Code | District |
|---|---|---|
| Haltota | 12538 | Kalutara |
| Kehelwatta | 12550 | Kalutara |
| Wadduwa | 12560 | Kalutara |
| Morontuduwa | 12564 | Kalutara |
| Waskaduwa | 12580 | Kalutara |
| Kandy | 20000 | Kandy |
| Haloluwa | 20032 | Kandy |
| Yatihalagala | 20034 | Kandy |
| Ihala Kobbekaduwa | 20042 | Kandy |
| Sangarajapura | 20044 | Kandy |
| Kulugammana | 20048 | Kandy |
| Uduwa | 20052 | Kandy |
| Hataraliyadda | 20060 | Kandy |
| Aludeniya | 20062 | Kandy |
| Dedunupitiya | 20068 | Kandy |