| Place | Postal Code |
|---|---|
| Alawala, Attanagalla | None |
| Alawala South, Attanagalla | None |
| Aruppassa, Attanagalla | None |
| Bandarabatawala, Attanagalla | None |
| Bemmulla, Attanagalla | 11040 |
| Bogamuwa, Attanagalla | None |
| Bogoda, Attanagalla | None |
| Bonegala, Attanagalla | None |
| Bopagama, Attanagalla | None |
| Bopagama East, Attanagalla | 11134 |
| Bopetta, Attanagalla | None |
| Bopetta South, Attanagalla | None |
| Dadagamuwa, Attanagalla | None |
| Dadagamuwa East, Attanagalla | None |
| Danvilana, Attanagalla | None |
| Daraluwa, Attanagalla | None |
| Deenapamunuwa, Attanagalla | None |
| Deenapamunuwa West, Attanagalla | None |
| Dematalanda, Attanagalla | None |
| Diyakade, Attanagalla | None |
| Egoda Nittambuwa, Attanagalla | None |
| Egurubichchiya, Attanagalla | None |
| Ellakkala, Attanagalla | 11116 |
| Ellakkala West, Attanagalla | 11116 |
| Eluwapitiya, Attanagalla | None |
| Eluwapitiya West, Attanagalla | None |