| Place | Postal Code |
|---|---|
| Chepkurgung, Terik | 30300 |
| Kapkerer, Terik | 30300 |
| Kapsamoch, Terik | 30300 |
| Kapsengere, Terik | 30300 |
| Kesengei, Terik | 30300 |
| Postal Codes in Aldai | |
|---|---|
| Kabwareng, Aldai | |
| Kaptumo-Kaboi, Aldai | |
| Kemeloi-Maraba, Aldai | |
| Kobujoi, Aldai | |
| Koyo-Ndurio, Aldai | |
| Terik, Aldai | |