| Place | Post Code |
|---|---|
| Aboru, Ihechiowa | 442104 |
| Achara, Ihechiowa | 442104 |
| Agbor, Ihechiowa | 442104 |
| Amaetiti, Ihechiowa | 442104 |
| Amafia, Ihechiowa | 442104 |
| Amamiri, Ihechiowa | 442104 |
| Amiyi, Ihechiowa | 442104 |
| Atan, Ihechiowa | 442104 |
| Ebemofia, Ihechiowa | 442104 |
| Ndiokpo, Ihechiowa | 442104 |
| Nkporo, Ihechiowa | 442104 |
| Obicihie, Ihechiowa | 442104 |
| Obinto, Ihechiowa | 442104 |
| Okpo, Ihechiowa | 442104 |
| Umuchiakuma, Ihechiowa | 442104 |
| Umuye, Ihechiowa | 442104 |
| Umuzomgbo, Ihechiowa | 442104 |
| All postal codes in Arochukwu | |
|---|---|
| Amaeke Abam, Arochukwu | |
| Arochukwu, Arochukwu | |
| Ihechiowa, Arochukwu | |
| Isu, Arochukwu | |
| Ohafor, Arochukwu | |
| Ovukwu Abam, Arochukwu | |
| Ututu, Arochukwu | |