| Place | Post Code |
|---|---|
| Tangalla, Thawalama | 82200 |
| Tangalla East, Thawalama | 82200 |
| Tangalla West, Thawalama | 82200 |
| Thawalama Mookalana, Thawalama | None |
| Thawalama North, Thawalama | None |
| Thawalama South, Thawalama | None |
| Weerapana East, Thawalama | None |
| Weerapana North, Thawalama | None |
| Weerapana South, Thawalama | None |
| Weerapana West, Thawalama | None |