| Place | Postal Code |
|---|---|
| Enkiushini, Ewuaso Oonkidong'I | 00200 |
| Enkorika, Ewuaso Oonkidong'I | 00200 |
| Eremit, Ewuaso Oonkidong'I | 00200 |
| Kibiko, Ewuaso Oonkidong'I | 00200 |
| Mosiro, Ewuaso Oonkidong'I | 00200 |
| Najile, Ewuaso Oonkidong'I | 00200 |
| Olgum, Ewuaso Oonkidong'I | 00200 |
| Olooshoibor, Ewuaso Oonkidong'I | 00200 |
| Saikeri, Ewuaso Oonkidong'I | 00200 |