| Place | Postal Code |
|---|---|
| Ilika, Kwavonza/Yatta | 90200 |
| Kanyonyoni, Kwavonza/Yatta | 90200 |
| Makusya, Kwavonza/Yatta | 90200 |
| Mikuyuni, Kwavonza/Yatta | 90200 |
| Ndunguni, Kwavonza/Yatta | 90200 |
| Nyanyaa, Kwavonza/Yatta | 90200 |
| Postal Codes in Kitui Rural | |
|---|---|
| Kanyangi, Kitui Rural | |
| Kisasi, Kitui Rural | |
| Kwavonza/Yatta, Kitui Rural | |
| Mbitini, Kitui Rural | |
| Mulango, Kitui Rural | |