| Place | Post Code |
|---|---|
| Asakpa, Inen | 533106 |
| Ekefe, Inen | 533106 |
| Etok Inen, Inen | 533106 |
| Etok Nkwo, Inen | 533106 |
| Ikot Akpaya, Inen | 533106 |
| Ikot Eduep, Inen | 533106 |
| Ikot Ekon, Inen | 533106 |
| Ikot Ekpuk, Inen | 533106 |
| Ikot Ese, Inen | 533106 |
| Ikot Eteye, Inen | 533106 |
| Ikot Etim, Inen | 533106 |
| Ikot Ibram, Inen | 533106 |
| Ikot Ndo, Inen | 533106 |
| Ikot Obio Idang, Inen | 533106 |
| Ikot Offiong, Inen | 533106 |
| Mbiaso, Inen | 533106 |
| Nto Udo-Akpan, Inen | 533106 |
| Oku Uruk, Inen | 533106 |
| Okukuk, Inen | 533106 |