| Place | Post Code |
|---|---|
| Itoleka, Kyangwithya West | 90200 |
| Kavuta, Kyangwithya West | 90200 |
| Mbusyani, Kyangwithya West | 90200 |
| Mulutu, Kyangwithya West | 90200 |
| Ndumoni, Kyangwithya West | 90200 |
| Tungutu, Kyangwithya West | 90200 |
| Utooni, Kyangwithya West | 90200 |
| All postal codes in Kitui Central | |
|---|---|
| Kyangwithya East, Kitui Central | |
| Kyangwithya West, Kitui Central | |
| Miambani, Kitui Central | |
| Township, Kitui Central | |