| Place | Post Code |
|---|---|
| Kameji, North Kamagambo | 40300 |
| Koluoch, North Kamagambo | 40300 |
| North Kamwango, North Kamagambo | 40300 |
| South Kamwango, North Kamagambo | 40300 |
| All postal codes in Rongo | |
|---|---|
| Central Kamagambo, Rongo | |
| East Kamagambo, Rongo | |
| North Kamagambo, Rongo | |
| South Kamagambo, Rongo | |