| Place | Post Code |
|---|---|
| Ogbololi, Oforachi | 271103 |
| Ogbomucha, Oforachi | 271103 |
| Ogbotobo, Oforachi | 271103 |
| Ogobogbo, Oforachi | 271103 |
| Ogwomichi, Oforachi | 271103 |
| Oji Omaji, Oforachi | 271103 |
| Ojodu, Oforachi | 271103 |
| Ojokuta, Oforachi | 271103 |
| Ojuwo, Oforachi | 271103 |
| Okagbo, Oforachi | 271103 |
| Okaimili, Oforachi | 271103 |
| Okeku, Oforachi | 271103 |
| Oko-Agwu, Oforachi | 271103 |
| Oko-Ikere, Oforachi | 271103 |
| Okobu, Oforachi | 271103 |
| Okoma, Oforachi | 271103 |
| Okula-Ameji, Oforachi | 271103 |
| Olefu-Oko-Tikpa, Oforachi | 271103 |
| Olichekpe, Oforachi | 271103 |
| Otochi, Oforachi | 271103 |
| Ugbedomagu, Oforachi | 271103 |
| Ukpekpele, Oforachi | 271103 |
| Uro-Agada, Oforachi | 271103 |
| Urodu, Oforachi | 271103 |
| Utoro, Oforachi | 271103 |
| Uwowo, Oforachi | 271103 |
| All postal codes in Idah | |
|---|---|
| Adoru, Idah | |
| Idahn, Idah | |
| Oforachi, Idah | |
| Ofulko, Idah | |