| Place | Post Code |
|---|---|
| Asana, Ikpo Ikono | 534110 |
| Ekpuk, Ikpo Ikono | 534110 |
| Ibianga, Ikpo Ikono | 534110 |
| Iffe, Ikpo Ikono | 534110 |
| Ikot Abia-Utok, Ikpo Ikono | 534110 |
| Ikot Afang, Ikpo Ikono | 534110 |
| Ikot Eda, Ikpo Ikono | 534110 |
| Ikot Ekpaw, Ikpo Ikono | 534110 |
| Ikot Enyienge, Ikpo Ikono | 534110 |
| Ikot Esen Akpan Ntuen, Ikpo Ikono | 534110 |
| Ikot Mkpeye, Ikpo Ikono | 534110 |
| Ikot Obio-Nso, Ikpo Ikono | 534110 |
| Ikot Umiang, Ikpo Ikono | 534110 |
| Ikot Unya, Ikpo Ikono | 534110 |
| Iton, Ikpo Ikono | 534110 |
| All postal codes in Mbo | |
|---|---|
| Afaha Okpo, Mbo | |
| Effiat, Mbo | |
| Ibiaku, Mbo | |
| Ikpa Ibom, Mbo | |
| Ikpo Ikono, Mbo | |
| Ukwong, Mbo | |