Siyambalagashena Postal Code
| City | Postal Code | District |
|---|---|---|
| Mudalakkuliya | 61506 | Puttalam |
| Andigama | 61508 | Puttalam |
| Medawakkulama | 61509 | Puttalam |
| Mahauswewa | 61512 | Puttalam |
| Inginimitiya | 61514 | Puttalam |
| Kuruketiyawa | 61516 | Puttalam |
| Nawagattegama | 61520 | Puttalam |
| Kottukachchiya | 61532 | Puttalam |
| Kaladiya | 61534 | Puttalam |
| Ratnapura | 70000 | Ratnapura |
| Malwala Junction | 70001 | Ratnapura |
| Gillimale | 70002 | Ratnapura |
| Sri Palabaddala | 70004 | Ratnapura |
| Kudawa | 70005 | Ratnapura |
| Hidellana | 70012 | Ratnapura |