| Place | Post Code |
|---|---|
| Ekani, Kanziko | 90200 |
| Ilamba, Kanziko | 90200 |
| Keutunda, Kanziko | 90200 |
| Kituvwi, Kanziko | 90200 |
| Kivandeni, Kanziko | 90200 |
| Kyanyaa, Kanziko | 90200 |
| Mivuni, Kanziko | 90200 |
| Mwanianga, Kanziko | 90200 |
| Simisi, Kanziko | 90200 |
| All postal codes in Kitui South | |
|---|---|
| Athi, Kitui South | |
| Ikanga/Kyatune, Kitui South | |
| Ikutha, Kitui South | |
| Kanziko, Kitui South | |
| Mutha, Kitui South | |
| Mutomo, Kitui South | |