| Place | Post Code |
|---|---|
| Owoso, Otukpa | 973105 |
| Ubiegi, Otukpa | 973105 |
| Udegi, Otukpa | 973105 |
| Ugbamaka, Otukpa | 973105 |
| Ugbogwu, Otukpa | 973105 |
| Ugbokpo, Otukpa | 973105 |
| Ukwo, Otukpa | 973105 |
| Umarichi, Otukpa | 973105 |
| Zaria, Otukpa | 973105 |
| All postal codes in Okpokwu | |
|---|---|
| Edumoga, Okpokwu | |
| Ichama, Okpokwu | |
| Okpoga, Okpokwu | |
| Orokam, Okpokwu | |
| Otukpa, Okpokwu | |
| Owukpa, Okpokwu | |