| Place | Post Code |
|---|---|
| Gathambara, Mugumo-Ini | 10200 |
| Ithangarari, Mugumo-Ini | 10200 |
| Kigio, Mugumo-Ini | 10200 |
| Mugumoini, Mugumo-Ini | 10200 |
| Mwitingiri, Mugumo-Ini | 10200 |
| All postal codes in Gatanga | |
|---|---|
| Gatanga, Gatanga | |
| Ithanga, Gatanga | |
| Kakuzi/Mitubiri, Gatanga | |
| Kariara, Gatanga | |
| Kihumbu-Ini, Gatanga | |
| Mugumo-Ini, Gatanga | |