| Place | Post Code |
|---|---|
| Gakarara, Kihumbu-Ini | 10200 |
| Gituamba/Kiunyu, Kihumbu-Ini | 10200 |
| Kihumbuini, Kihumbu-Ini | 10200 |
| Mukarara, Kihumbu-Ini | 10200 |
| Mukurwe/Thuita, Kihumbu-Ini | 10200 |
| All postal codes in Gatanga | |
|---|---|
| Gatanga, Gatanga | |
| Ithanga, Gatanga | |
| Kakuzi/Mitubiri, Gatanga | |
| Kariara, Gatanga | |
| Kihumbu-Ini, Gatanga | |
| Mugumo-Ini, Gatanga | |