| Place | Post Code |
|---|---|
| Chebinyiny, Soy North | 30100 |
| Chengach, Soy North | 30100 |
| Chepsigot, Soy North | 30100 |
| Cheptebo, Soy North | 30100 |
| Emsea, Soy North | 30100 |
| Epke, Soy North | 30100 |
| Kabito, Soy North | 30100 |
| Kapsogom, Soy North | 30100 |
| Kipkaa, Soy North | 30700 |
| Muskut, Soy North | 30100 |
| Rokocho, Soy North | 30100 |
| Sego, Soy North | 30100 |
| All postal codes in Keiyo South | |
|---|---|
| Chepkorio, Keiyo South | |
| Kabiemit, Keiyo South | |
| Kaptarakwa, Keiyo South | |
| Metkei, Keiyo South | |
| Soy North, Keiyo South | |
| Soy South, Keiyo South | |