| Place | Post Code |
|---|---|
| Amagu, Umuariam / Achara | 463104 |
| Nnachioma, Umuariam / Achara | 463104 |
| Umuasonye, Umuariam / Achara | 463104 |
| Umuegele, Umuariam / Achara | 463104 |
| Umunnebi, Umuariam / Achara | 463104 |
| Umuokoro, Umuariam / Achara | 463104 |
| All postal codes in Obowo | |
|---|---|
| Alike-Obowu, Obowo | |
| Amuzi-Obowu, Obowo | |
| Avutu, Obowo | |
| Ikwuato, Obowo | |
| Okena-Logha, Obowo | |
| Umuariam / Achara, Obowo | |
| Umungwa, Obowo | |