| Place | Post Code |
|---|---|
| Munneshwaram, Chilaw | None |
| Nariyagama North, Chilaw | None |
| Nariyagama South, Chilaw | None |
| Olidaluwa, Chilaw | None |
| Parappanmulla, Chilaw | None |
| Pitipana East, Chilaw | None |
| Pitipana North, Chilaw | None |
| Pitipana South, Chilaw | None |
| Pulliyankadawara, Chilaw | None |
| Punchi Vilattawa, Chilaw | None |
| Sawarana, Chilaw | None |
| Thimbilla, Chilaw | None |
| Thissogama, Chilaw | None |
| Thittakade, Chilaw | None |
| Urudayandaluwa, Chilaw | None |
| Wattakkalliya, Chilaw | None |
| Weerakelewatta, Chilaw | None |
| Weerapandiyana, Chilaw | None |
| Welihena, Chilaw | None |
| Weralabada, Chilaw | None |
| Weralabada North, Chilaw | None |
| Weralabada South, Chilaw | None |