| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chika Camp, Orowa | 311112 |
| Postal/ZIP Codes in Eguare-Orowa, Orowa | 311112 |
| Postal/ZIP Codes in Idi Diha, Orowa | 311112 |
| Postal/ZIP Codes in Idohin, Orowa | 311112 |
| Postal/ZIP Codes in John Camp, Orowa | 311112 |
| Postal/ZIP Codes in Okoji Camp, Orowa | 311112 |
| Postal/ZIP Codes in Orowa, Orowa | 311112 |
| Postal/ZIP Codes in Ukpoke, Orowa | 311112 |