| Location | Type | Area/District | City/LGA | State | Postcode |
|---|---|---|---|---|---|
| Orhkiebiele | Rural | ohordua | Esan South East | Edo | 311111 |
| Oria | Rural | Oria | Esan South East | Edo | 311102 |
| Orowa | Rural | Orowa | Esan South East | Edo | 311112 |
| Oruen | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Oruhen Udai | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Ossiomo | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Owa | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Owoli | Rural | Ifeku | Esan South East | Edo | 311106 |
| Oyomon | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Oza | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Ozenyen | Rural | ohordua | Esan South East | Edo | 311111 |
| Ozigbo | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Thomas Camp | Rural | Oria | Esan South East | Edo | 311102 |
| Ubiaja | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Uboko | Rural | Ewohimi | Esan South East | Edo | 311110 |
| Udakpa-Ogbenye | Rural | Ubiaja | Esan South East | Edo | 311101 |
| Udo | Rural | Udo | Esan South East | Edo | 311105 |
| Udo-Neria | Rural | Udo | Esan South East | Edo | 311105 |
| Udor | Rural | Emu | Esan South East | Edo | 311108 |
| Ugbenin | Rural | Ubiaja | Esan South East | Edo | 311101 |
