| Place | Post Code |
|---|---|
| Polhena, Kelaniya | None |
| Sinharamulla, Kelaniya | None |
| Sinharamulla North, Kelaniya | None |
| Thalawathuhenpita North, Kelaniya | None |
| Thalawathuhenpita South, Kelaniya | None |
| Wanawasala East, Kelaniya | None |
| Wanawasala West, Kelaniya | None |
| Warakanatta, Kelaniya | None |
| Wedamulla, Kelaniya | None |
| Welegoda, Kelaniya | None |
| Weweldoowa, Kelaniya | None |