| Place | Post Code |
|---|---|
| Aranthalawa, Mahaoya | None |
| Bedirekka, Mahaoya | None |
| Bogamuyaya, Mahaoya | None |
| Borapola, Mahaoya | None |
| Dambadeniya, Mahaoya | None |
| Iddapola, Mahaoya | None |
| Kekirihena, Mahaoya | 32074 |
| Kelavinna, Mahaoya | None |
| Kudaharasgala, Mahaoya | None |
| Lahugala, Mahaoya | 32512 |
| Mahaoya, Mahaoya | 32070 |
| Pollebedda, Mahaoya | None |
| Poolawala, Mahaoya | None |
| Samagipura, Mahaoya | None |
| Tempitiya, Mahaoya | 32072 |
| Thepelpola, Mahaoya | None |
| Unuwathura Bubula, Mahaoya | None |