| Place | Postal Code |
|---|---|
| Ekiebong, Afaha Okpo | 523113 |
| Eyo Efai, Afaha Okpo | 523113 |
| Eyo Ukut, Afaha Okpo | 523113 |
| Ibete, Afaha Okpo | 523113 |
| Ibuet Ikot, Afaha Okpo | 523113 |
| Uba, Afaha Okpo | 523113 |
| Ubotuong, Afaha Okpo | 523113 |
| Udini, Afaha Okpo | 523113 |
| Udombo, Afaha Okpo | 523113 |
| Udung Eyo Adaeba, Afaha Okpo | 523113 |
| Uko Akpan, Afaha Okpo | 523113 |
| Postal Codes in Mbo | |
|---|---|
| Afaha Okpo, Mbo | |
| Effiat, Mbo | |
| Ibiaku, Mbo | |
| Ikpa Ibom, Mbo | |
| Ikpo Ikono, Mbo | |
| Ukwong, Mbo | |