| Place | Post Code |
|---|---|
| Ikot Udo Ibiono, Ibiono III Central | 520117 |
| Ikot Udom, Ibiono III Central | 520117 |
| Ikot Ukana, Ibiono III Central | 520117 |
| Ikot Ukpong, Ibiono III Central | 520117 |
| Ikot Unike, Ibiono III Central | 520117 |
| Ikpa Ikot Uneke, Ibiono III Central | 520117 |
| Itu Andem, Ibiono III Central | 520117 |
| Itukho, Ibiono III Central | 520117 |
| Ndo Ndem, Ibiono III Central | 520117 |
| Oko Ita, Ibiono III Central | 520117 |
| Osuk Ntan, Ibiono III Central | 520117 |
| Udioho Ntan Ekere, Ibiono III Central | 520117 |
| Usuk Ntan Ekere, Ibiono III Central | 520117 |
| All postal codes in Ibeno | |
|---|---|
| Ibeno Clan, Ibeno | |
| Ibiono I, Ibeno | |
| Ibiono II, Ibeno | |
| Ibiono III, Ibeno | |
| Ibiono III Central, Ibeno | |
| Ibiono (Southern), Ibeno | |
| Ikpanya, Ibeno | |