| Place | Postal Code |
|---|---|
| Okpo, Afaha | 523107 |
| Uboro Oron, Afaha | 523107 |
| Postal Codes in Urue-Offong/Oruko | |
|---|---|
| Afaha, Urue-Offong/Oruko | |
| Egughu, Urue-Offong/Oruko | |
| Ibighi, Urue-Offong/Oruko | |
| Okiuso, Urue-Offong/Oruko | |
| Ubodong, Urue-Offong/Oruko | |
| Ukwong, Urue-Offong/Oruko | |