| Place | Post Code |
|---|---|
| Abhayapura, Rideemaliyadda | None |
| Aluketiyawa, Rideemaliyadda | 90736 |
| Andaulpotha, Rideemaliyadda | None |
| Aralupitiya, Rideemaliyadda | None |
| Arawa, Rideemaliyadda | 90017 |
| Arawatta, Rideemaliyadda | 90712 |
| Bubula, Rideemaliyadda | 91500 |
| Deekirigolla, Rideemaliyadda | None |
| Dehigama, Rideemaliyadda | None |
| Dikkendayaya, Rideemaliyadda | None |
| Dikyaya, Rideemaliyadda | None |
| Diyakombala, Rideemaliyadda | None |
| Ekiriyankumbura, Rideemaliyadda | 91502 |
| Gamakumbura North, Rideemaliyadda | None |
| Gamakumbura South, Rideemaliyadda | None |
| Gemunupura, Rideemaliyadda | None |
| Ikiriyagoda, Rideemaliyadda | None |
| Kandegama, Rideemaliyadda | None |
| Kandubedda, Rideemaliyadda | None |
| Keselpotha North, Rideemaliyadda | 90738 |
| Keselpotha South, Rideemaliyadda | 90738 |
| Kooralewela, Rideemaliyadda | None |
| Kotathalawa, Rideemaliyadda | None |
| Kudalunuka, Rideemaliyadda | None |
| Kuruvithenna, Rideemaliyadda | None |
| Mahagama, Rideemaliyadda | None |