| Place | Post Code |
|---|---|
| Galmetiyawa North, Thampalakamam | 31318 |
| Galmetiyawa South, Thampalakamam | 31318 |
| Kovil Kudiyiruppu, Thampalakamam | None |
| Meeranagar, Thampalakamam | None |
| MollipothanaiEast, Thampalakamam | None |
| Mullipotana, Thampalakamam | None |
| Mullipothana North, Thampalakamam | 31312 |
| Palampaddaru, Thampalakamam | None |
| Pokkuruni, Thampalakamam | None |
| Puthukudiyirippu, Thampalakamam | None |
| Sirajnagar, Thampalakamam | 31314 |
| Thampalakamam, Thampalakamam | None |