| Place | Post Code |
|---|---|
| Eyo - Atta, Uya Oro | 523118 |
| Eyo - Esu, Uya Oro | 523118 |
| Eyo - Ifang, Uya Oro | 523118 |
| Eyo - Odiong, Uya Oro | 523118 |
| Eyo - Okpo, Uya Oro | 523118 |
| Eyo - Uya, Uya Oro | 523118 |
| Udung - Okwong, Uya Oro | 523118 |
| Udung - Uwe, Uya Oro | 523118 |
| All postal codes in Oron | |
|---|---|
| Afaha Okpo, Oron | |
| Eyo Abasi, Oron | |
| Eyotong, Oron | |
| Uya Oro, Oron | |