| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arror, Arror | 30700 |
| Postal/ZIP Codes in Chepkum, Arror | 30700 |
| Postal/ZIP Codes in Kapchemuta, Arror | 30700 |
| Postal/ZIP Codes in Koitilial, Arror | 30700 |
| Postal/ZIP Codes in Niwai, Arror | 30700 |
| Postal/ZIP Codes in Ressim, Arror | 30700 |