| Place | Post Code |
|---|---|
| Chebior, Kaptarakwa | 30700 |
| Kapkenda, Kaptarakwa | 30100 |
| Kaptagat, Kaptarakwa | 30114 |
| Kaptarakwa, Kaptarakwa | 30701 |
| Kiptulos, Kaptarakwa | 30100 |
| Kitany, Kaptarakwa | 30700 |
| Mokwo, Kaptarakwa | 30700 |
| 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 | |