| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chepkolon, Merigi | 20400 |
| Postal/ZIP Codes in Chepngaina, Merigi | 20400 |
| Postal/ZIP Codes in Kapsimbiri, Merigi | 20400 |
| Postal/ZIP Codes in Kipyosit, Merigi | 20400 |
| Postal/ZIP Codes in Kiromwok, Merigi | 20400 |
| Postal/ZIP Codes in Menet, Merigi | 20400 |
| Postal/ZIP Codes in Merigi, Merigi | 20419 |