Muddaragama Postal Code
| City | Postal Code | District |
|---|---|---|
| Mabodale | 11114 | Gampaha |
| Ellakkala | 11116 | Gampaha |
| Attanagalla | 11120 | Gampaha |
| Alawala | 11122 | Gampaha |
| Urapola | 11126 | Gampaha |
| Nikahetikanda | 11128 | Gampaha |
| Rukmale | 11129 | Gampaha |
| Bopagama | 11134 | Gampaha |
| Rukgahavila | 11142 | Gampaha |
| Kahatowita | 11144 | Gampaha |
| Walgammulla | 11146 | Gampaha |
| Pallewela | 11150 | Gampaha |
| Kaleliya | 11160 | Gampaha |
| Mirigama | 11200 | Gampaha |
| Loluwagoda | 11204 | Gampaha |