Mahara Postal Code
| City | Postal Code | District |
|---|---|---|
| Imbulgoda | 11856 | Gampaha |
| Weboda | 11858 | Gampaha |
| Yakkala | 11870 | Gampaha |
| Kalagedihena | 11875 | Gampaha |
| Nittambuwa | 11880 | Gampaha |
| Debahera | 11889 | Gampaha |
| Pasyala | 11890 | Gampaha |
| Radawadunna | 11892 | Gampaha |
| Weweldeniya | 11894 | Gampaha |
| Danowita | 11896 | Gampaha |
| Kalutara | 12000 | Kalutara |
| Galpatha | 12005 | Kalutara |
| Yatawara Junction | 12006 | Kalutara |
| Koholana | 12007 | Kalutara |
| Bolossagama | 12008 | Kalutara |