| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Idumuje-Ugboko, Idumule | 320111 |
| Postal/ZIP Codes in Idumuje-Unor, Idumule | 320111 |
| Postal/ZIP Codes in Idumuogo, Idumule | 320111 |
| Postal/ZIP Codes in Ugboba, Idumule | 320111 |
| Postal/ZIP Codes in Ugodor, Idumule | 320111 |
| Postal/ZIP Codes in Ukunzu, Idumule | 320111 |
| Postal Codes in Aniocha North | |
|---|---|
| Postal/ZIP Codes in Ezechime, Aniocha North | |
| Postal/ZIP Codes in Idumule, Aniocha North | |
| Postal/ZIP Codes in Odiani, Aniocha North | |