| Place | Postal Code |
|---|---|
| Ilusya, Ikanga/Kyatune | 90200 |
| Ithumula, Ikanga/Kyatune | 90200 |
| Kathungu, Ikanga/Kyatune | 90200 |
| Kyatune, Ikanga/Kyatune | 90200 |
| Ndatani, Ikanga/Kyatune | 90200 |
| Ngwani, Ikanga/Kyatune | 90200 |
| Yongela, Ikanga/Kyatune | 90200 |
| Postal Codes in Kitui South | |
|---|---|
| Athi, Kitui South | |
| Ikanga/Kyatune, Kitui South | |
| Ikutha, Kitui South | |
| Kanziko, Kitui South | |
| Mutha, Kitui South | |
| Mutomo, Kitui South | |