| Place | Post Code |
|---|---|
| Kanzau, Mbitini | 90200 |
| Katwala, Mbitini | 90200 |
| Kitungati, Mbitini | 90200 |
| Mbitini, Mbitini | 90214 |
| Ngangani, Mbitini | 90200 |
| All postal codes in Kitui Rural | |
|---|---|
| Kanyangi, Kitui Rural | |
| Kisasi, Kitui Rural | |
| Kwavonza/Yatta, Kitui Rural | |
| Mbitini, Kitui Rural | |
| Mulango, Kitui Rural | |