| Place | Post Code |
|---|---|
| Bakmeegama, Gomarankadawela | None |
| Galkadawala, Gomarankadawela | None |
| Gomarankadawala, Gomarankadawela | 31026 |
| Kalyanapura, Gomarankadawela | None |
| Kandamalawa, Gomarankadawela | None |
| Kivulakadawela, Gomarankadawela | None |
| Mailawewa, Gomarankadawela | None |
| Medawachchiya, Gomarankadawela | None |
| Pamburugaswewa, Gomarankadawela | None |
| Pulikandikulama, Gomarankadawela | None |