| Place | Postal Code |
|---|---|
| Abayi, Ngwa Ukwu | 451101 |
| Ahiaba Okpuala, Ngwa Ukwu | 451101 |
| Ahiaba Ubi, Ngwa Ukwu | 451101 |
| Amaorji, Ngwa Ukwu | 451101 |
| Amapu-Ngwa, Ngwa Ukwu | 451101 |
| Amuzu, Ngwa Ukwu | 451101 |
| Iheoji, Ngwa Ukwu | 451101 |
| Ihie, Ngwa Ukwu | 451101 |
| Obikabia, Ngwa Ukwu | 451101 |
| Okpuala Ngwa, Ngwa Ukwu | 451101 |
| Osusu, Ngwa Ukwu | 451101 |
| Sumudima, Ngwa Ukwu | 451101 |