| Place | Post Code |
|---|---|
| Akai Ati, Ukwong | 523115 |
| Akai owu, Ukwong | 523115 |
| Akprang, Ukwong | 523115 |
| Eprang Udo, Ukwong | 523115 |
| Ibaka (Uda), Ukwong | 523115 |
| Isong Inyang, Ukwong | 523115 |
| Kprang (Uda), Ukwong | 523115 |
| Mkpang Utong, Ukwong | 523115 |
| Offi (Uda), Ukwong | 523115 |
| Onukim (Uda), Ukwong | 523115 |
| Osu Udesi, Ukwong | 523115 |
| Udung Eyo Unyenge, Ukwong | 523115 |
| Uke Nteghe, Ukwong | 523115 |
| Utit Atai Unyenge, Ukwong | 523115 |
| All postal codes in Mbo | |
|---|---|
| Afaha Okpo, Mbo | |
| Effiat, Mbo | |
| Ibiaku, Mbo | |
| Ikpa Ibom, Mbo | |
| Ikpo Ikono, Mbo | |
| Ukwong, Mbo | |