| Place | Postal Code |
|---|---|
| Achebulo-Iheakpu, Iheakpu-Awka | 413111 |
| Amaenyije Iheakpu, Iheakpu-Awka | 413111 |
| Edem Iheakpu, Iheakpu-Awka | 413111 |
| Ngwuola-Iheakpu, Iheakpu-Awka | 413111 |
| Okolo-Iheakpu, Iheakpu-Awka | 413111 |
| Ororu-Iheakpu, Iheakpu-Awka | 413111 |
| Umuata-Iheakpu, Iheakpu-Awka | 413111 |
| Umujoju-Iheakpu, Iheakpu-Awka | 413111 |
| Umunjaba-Iheakpu, Iheakpu-Awka | 413111 |
| Umuokwu-Iheakpu, Iheakpu-Awka | 413111 |
| Umuori-Iheakpu, Iheakpu-Awka | 413111 |