| Lieu | Code postal |
|---|---|
| Abat Use Abat, Ibiono I | 520116 |
| Afaha Ikot Adaha, Ibiono I | 520116 |
| Afaha Ise Ono, Ibiono I | 520118 |
| Afaha Itiat, Ibiono I | 520114 |
| Afaha Nsai, Ibiono I | 520116 |
| Afaha Utuat, Ibiono I | 520116 |
| Afua, Ibiono I | 520118 |
| Aka Ikot Abasi, Ibiono I | 520118 |
| Aka Ikot Udo Eno, Ibiono I | 520118 |
| Akpa, Ibiono I | 520118 |
| Akpan Ikot Udu, Ibiono I | 520118 |
| Atan Nsai, Ibiono I | 520116 |
| Atna Aya, Ibiono I | 520116 |
| Awat Nkang, Ibiono I | 520116 |
| Edem Idim, Ibiono I | 520116 |
| Edem Urua, Ibiono I | 520117 |
| Ekim Ibiaku Omu, Ibiono I | 520118 |
| Ekio Idoro, Ibiono I | 520118 |
| Ekput, Ibiono I | 520117 |
| Enyin-Idoro, Ibiono I | 520118 |
| Essen, Ibiono I | 520118 |
| Ibaiku Ikot-Oku Ekim, Ibiono I | 520117 |
| Ibiaku Ikot Udom, Ibiono I | 520118 |
| Ibiaku Inyang Isong, Ibiono I | 520116 |
| Ibiatuk, Ibiono I | 520117 |
| Idere, Ibiono I | 520116 |