| Place | Post Code |
|---|---|
| Ahero Irrig Sche., Ombeyi | 40100 |
| Kabar West, Ombeyi | 40100 |
| Kango, Ombeyi | 40100 |
| Kore, Ombeyi | 40100 |
| Obumba, Ombeyi | 40100 |
| Ramula, Ombeyi | 40100 |
| All postal codes in Muhoroni | |
|---|---|
| Chemelil, Muhoroni | |
| Masogo/Nyang'Oma, Muhoroni | |
| Miwani, Muhoroni | |
| Muhoroni/Koru, Muhoroni | |
| Ombeyi, Muhoroni | |