| Place | Post Code |
|---|---|
| Arroi, Imaroro | 01100 |
| Emarti, Imaroro | 01100 |
| Erankau, Imaroro | 01100 |
| Kilo, Imaroro | 01100 |
| Lesonkoyo, Imaroro | 01100 |
| Mashuru, Imaroro | 01103 |
| All postal codes in Kajiado East | |
|---|---|
| Imaroro, Kajiado East | |
| Kaputiei North, Kajiado East | |
| Kenyawa-Poka, Kajiado East | |
| Kitengela, Kajiado East | |
| Oloosirkon/Sholinke, Kajiado East | |