Pahalahewessa Postal Code
| City | Postal Code | District |
|---|---|---|
| Pelawatta Tea Project | 12146 | Kalutara |
| Yattapatha Sinharaja Gardens | 12147 | Kalutara |
| Danawala Thiniyawala | 12148 | Kalutara |
| Agalawatta | 12200 | Kalutara |
| Veyangalla | 12204 | Kalutara |
| Mahagama | 12210 | Kalutara |
| Pelanda | 12214 | Kalutara |
| Molkawa | 12216 | Kalutara |
| Kelinkanda | 12218 | Kalutara |
| Kitulgoda | 12222 | Kalutara |
| Bellana | 12224 | Kalutara |
| Baduraliya | 12230 | Kalutara |
| Morapitiya | 12232 | Kalutara |
| Hedigalla Colony | 12234 | Kalutara |
| Gurulubedda | 12236 | Kalutara |