| Place | Post Code |
|---|---|
| Abime, Oba | 434112 |
| Aboji, Oba | 434112 |
| Ezelle, Oba | 434112 |
| Isu, Oba | 434112 |
| Ogbenwa, Oba | 434112 |
| Ogwugwu, Oba | 434112 |
| Okuzu, Oba | 434112 |
| Umeze-Abute, Oba | 434112 |
| Umuogali, Oba | 434112 |
| All postal codes in Idemili South | |
|---|---|
| Akwa-Etiti, Idemili South | |
| Akwu, Idemili South | |
| Alor, Idemili South | |
| Nnobi, Idemili South | |
| Nnokwa, Idemili South | |
| Oba, Idemili South | |
| Ojoto, Idemili South | |