| Place | Post Code |
|---|---|
| Afaha Osu, Ukwong | 521104 |
| Ebighi Anwa Ikpi, Ukwong | 521104 |
| Ebighi Anwa Oro, Ukwong | 521104 |
| Etieke Udong Eto, Ukwong | 521104 |
| Eweme, Ukwong | 521104 |
| Eyo Nku, Ukwong | 521104 |
| Itak Uyati, Ukwong | 521104 |
| Mbukpo Oduobo, Ukwong | 521104 |
| Ndoung, Ukwong | 521104 |
| Osu Offi, Ukwong | 521104 |
| Oti Oron, Ukwong | 521104 |
| Otieke, Ukwong | 521104 |
| Ubak, Ukwong | 521104 |
| Utine Eyekung, Ukwong | 521104 |
| Utine Ndoung, Ukwong | 521104 |
| All postal codes in Okobo | |
|---|---|
| Atabong, Okobo | |
| Ebughu, Okobo | |
| Eta, Okobo | |
| Ibighi, Okobo | |
| Odu, Okobo | |
| Okiuso, Okobo | |
| Ukwong, Okobo | |