| Place | Postal Code |
|---|---|
| Chebilat, Kobujoi | 30300 |
| Chepketemon, Kobujoi | 30300 |
| Eboi, Kobujoi | 30300 |
| Kapsagawat, Kobujoi | 30300 |
| Kesogon, Kobujoi | 30300 |
| Kibwareng, Kobujoi | 30300 |
| Kiptaruswo, Kobujoi | 30300 |
| Kobujoi, Kobujoi | 30305 |
| Samitui, Kobujoi | 30300 |
| Postal Codes in Aldai | |
|---|---|
| Kabwareng, Aldai | |
| Kaptumo-Kaboi, Aldai | |
| Kemeloi-Maraba, Aldai | |
| Kobujoi, Aldai | |
| Koyo-Ndurio, Aldai | |
| Terik, Aldai | |