| Lieu | Code postal |
|---|---|
| Onitsha, Onitsha | 430213, 430231, 430232, 430233, 430234, 430235, 430251, 430252, 430254, 430261, 430262, 430263, 430264, 430271, 430272, 430273, 430281, 432214, 434212, 434213, 434221, 434222, 434223, 434224, 434231, 434232, 434233, 434234, 434242, 434243 |
| Codes postaux en Onitsha North | |
|---|---|
| Onitsha, Onitsha North | |