| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Aranha, Colombo | 83419-000 |
| Postal/ZIP Codes in Colombo, Colombo | 83401, 83402, 83403, 83404, 83405, 83406, 83407, 83408, 83409, 83410, 83411, 83412, 83413, 83414, 83415 |
| Postal/ZIP Codes in Guaraituba, Colombo | 83418-000 |
| Postal/ZIP Codes in São Gabriel, Colombo | 83419-200 |
| Postal/ZIP Codes in Timbu Velho, Colombo | 83419-700 |