Mutwal Postal Code
| City | Postal Code | District |
|---|---|---|
| Sri Jayawardenepura | 10100 | Colombo |
| Rajagiriya | 10100 | Colombo |
| Pita Kotte | 10100 | Colombo |
| Rajagiriya | 10107 | Colombo |
| Malabe | 10115 | Colombo |
| Talawatugoda | 10116 | Colombo |
| Hokandara | 10118 | Colombo |
| Battaramulla | 10120 | Colombo |
| Kotikawatta | 10120 | Colombo |
| Arangala | 10150 | Colombo |
| Athurugiriya | 10150 | Colombo |
| Angamuwa | 10150 | Colombo |
| Homagama | 10200 | Colombo |
| Mullegama | 10202 | Colombo |
| Habarakada | 10204 | Colombo |