| Place | Post Code |
|---|---|
| Aguwa, Amucha | 474127 |
| Duriaku, Amucha | 474127 |
| Duroboaku, Amucha | 474127 |
| Duruewuru, Amucha | 474127 |
| Duruigwe, Amucha | 474127 |
| Ebeasaa, Amucha | 474127 |
| Ebeise, Amucha | 474127 |
| Eziene, Amucha | 474127 |
| Umuduruoka, Amucha | 474127 |
| Umunudo, Amucha | 474127 |
| Umunzu, Amucha | 474127 |
| Umuokpoko, Amucha | 474127 |
| Umuokwara, Amucha | 474127 |
| Umuoma, Amucha | 474127 |
| Umuorji, Amucha | 474127 |
| Umuzikeabum, Amucha | 474127 |
| All postal codes in Njaba | |
|---|---|
| Amucha, Njaba | |
| Atta, Njaba | |
| Okwudor, Njaba | |
| Umuaka, Njaba | |