| Place | Post Code |
|---|---|
| Kelongisa, Mosiro (Narok) | 20500 |
| Mosiro, Mosiro (Narok) | 20500 |
| Ngoireroi, Mosiro (Narok) | 20500 |
| Ntulele, Mosiro (Narok) | 20500 |
| Nturumeti, Mosiro (Narok) | 20500 |
| Ololturot, Mosiro (Narok) | 20500 |
| Ongata Naado, Mosiro (Narok) | 20500 |
| Sosian, Mosiro (Narok) | 20500 |
| All postal codes in Narok East | |
|---|---|
| Keekonyokie (Narok), Narok East | |
| Mosiro (Narok), Narok East | |
| Suswa, Narok East | |