| Place | Postal Code |
|---|---|
| Ejighunandu, Akwa-Etiti | 434117 |
| Iruowelle, Akwa-Etiti | 434117 |
| Nkpolofia, Akwa-Etiti | 434117 |
| Nnaba, Akwa-Etiti | 434117 |
| Ogunsele, Akwa-Etiti | 434117 |
| Umudunu, Akwa-Etiti | 434117 |
| Umunocha, Akwa-Etiti | 434117 |
| 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 | |