| Place | Postal Code |
|---|---|
| Abo, Nnokwa | 434115 |
| Eziama, Nnokwa | 434115 |
| Isuangbede, Nnokwa | 434115 |
| Odumodu, Nnokwa | 434115 |
| Ogonogo, Nnokwa | 434115 |
| Ozala, Nnokwa | 434115 |
| Ubili, Nnokwa | 434115 |
| Umuide, Nnokwa | 434115 |
| Umushi, Nnokwa | 434115 |
| 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 | |