| Place | Post Code |
|---|---|
| Obibi, Eziawoi | 474111 |
| Ohuba, Eziawoi | 474111 |
| Omuokwe, Eziawoi | 474111 |
| Umulu, Eziawoi | 474111 |
| All postal codes in Oru East | |
|---|---|
| Akatta, Oru East | |
| Akuma / Amagu, Oru East | |
| Amiri, Oru East | |
| Eziawo ll, Oru East | |
| Eziawoi, Oru East | |
| Ofekata ll, Oru East | |
| Ofekatai, Oru East | |
| Omuma, Oru East | |