| Place | Post Code |
|---|---|
| Idumuje-Ugboko, Idumule | 320111 |
| Idumuje-Unor, Idumule | 320111 |
| Idumuogo, Idumule | 320111 |
| Ugboba, Idumule | 320111 |
| Ugodor, Idumule | 320111 |
| Ukunzu, Idumule | 320111 |
| All postal codes in Aniocha North | |
|---|---|
| Ezechime, Aniocha North | |
| Idumule, Aniocha North | |
| Odiani, Aniocha North | |