| Place | Post Code |
|---|---|
| Githunguchu, Ngenda | 00900 |
| Handege, Ngenda | 00900 |
| Ituru, Ngenda | 00900 |
| Kahuguini, Ngenda | 00900 |
| Kiminyu, Ngenda | 00900 |
| Kirangari, Ngenda | 00900 |
| Ritho, Ngenda | 00200 |
| Wamwangi, Ngenda | 00200 |
| All postal codes in Gatundu South | |
|---|---|
| Kiamwangi, Gatundu South | |
| Kiganjo, Gatundu South | |
| Ndarugu, Gatundu South | |
| Ngenda, Gatundu South | |