| Place | Post Code |
|---|---|
| Nankurugama, Mawanella | None |
| Owatta, Mawanella | None |
| Palliporuwa, Mawanella | None |
| Panagamuwa, Mawanella | None |
| Randiwala, Mawanella | None |
| Rankothdiwala, Mawanella | None |
| Rukulagama, Mawanella | None |
| Thambavita, Mawanella | None |
| Uda Makadawara, Mawanella | None |
| Uthuwankanda, Mawanella | None |
| Uyanwtta, Mawanella | None |
| Wadiyathenna, Mawanella | None |
| Waduwawala, Mawanella | None |
| Warakapana, Mawanella | None |
| Weganthale, Mawanella | None |
| Weligalla, Mawanella | 20610 |
| Weragoda, Mawanella | None |
| Werake, Mawanella | None |
| Yatimahana, Mawanella | None |