| Place | Post Code |
|---|---|
| Udathenna, Medadumbara | None |
| Udawela, Medadumbara | None |
| Udispattuwa, Medadumbara | 20916 |
| Victoria, Medadumbara | None |
| Vilamuna, Medadumbara | None |
| Waradiwela, Medadumbara | None |
| Watapana, Medadumbara | None |
| Wathuliyadda, Medadumbara | None |
| Wegala, Medadumbara | None |
| Weladaramba, Medadumbara | None |
| Welapahala, Medadumbara | None |
| Weliketiya, Medadumbara | None |
| Wellethota, Medadumbara | None |
| Werapitiya, Medadumbara | None |
| Werathenna, Medadumbara | None |
| Wewegama, Medadumbara | None |