| Place | Postal Code |
|---|---|
| Amabiriba, Okpanku | 402143 |
| Amaete, Okpanku | 402143 |
| Amagu, Okpanku | 402143 |
| Amaogudu, Okpanku | 402143 |
| Ihuezeoke, Okpanku | 402143 |
| Ihuibe, Okpanku | 402143 |
| Okpu, Okpanku | 402143 |
| Postal Codes in Aninri | |
|---|---|
| Mpu, Aninri | |
| Ndeaboh, Aninri | |
| Nenwe, Aninri | |
| Odume, Aninri | |
| Okpanku, Aninri | |