| Place | Postal Code |
|---|---|
| Idaigbo, Ozoro | 334111 |
| Inime-Camp, Ozoro | 334111 |
| Okpaile, Ozoro | 334111 |
| Otovo-Camp, Ozoro | 334111 |
| Ozoro, Ozoro | 334111 |
| Postal Codes in Isoko North | |
|---|---|
| Ellu, Isoko North | |
| Emevor, Isoko North | |
| Iyede, Isoko North | |
| Ofagbe, Isoko North | |
| Okpe / Isoko, Isoko North | |
| Owhe, Isoko North | |
| Ozoro, Isoko North | |