| Place | Post Code |
|---|---|
| Gaturuturu, Mahiga | 10100 |
| Gikoe, Mahiga | 10100 |
| Gitugi, Mahiga | 10100 |
| Kamoko, Mahiga | 10100 |
| Kihome, Mahiga | 10100 |
| Kihora, Mahiga | 10100 |
| Munyan'Ge, Mahiga | 10100 |
| Rukira, Mahiga | 10100 |
| Ugachiku, Mahiga | 10100 |
| All postal codes in Othaya | |
|---|---|
| Chinga, Othaya | |
| Iria-Ini, Othaya | |
| Karima, Othaya | |
| Mahiga, Othaya | |