| Place | Postal Code |
|---|---|
| Kabar Central, Masogo/Nyang'Oma | 40100 |
| Kabar East, Masogo/Nyang'Oma | 40100 |
| Kamswa. North, Masogo/Nyang'Oma | 40100 |
| Kamswa South, Masogo/Nyang'Oma | 40100 |
| Sidho East I, Masogo/Nyang'Oma | 40100 |
| Sidho East II, Masogo/Nyang'Oma | 40100 |
| Wangaya I, Masogo/Nyang'Oma | 40100 |
| Wangaya II, Masogo/Nyang'Oma | 40100 |
| Postal Codes in Muhoroni | |
|---|---|
| Chemelil, Muhoroni | |
| Masogo/Nyang'Oma, Muhoroni | |
| Miwani, Muhoroni | |
| Muhoroni/Koru, Muhoroni | |
| Ombeyi, Muhoroni | |