| Location | Type | Area/District | City/LGA | State | Postcode |
|---|---|---|---|---|---|
| Onyeri St. | Urban | Abaukwu | Aba | Abia | 450251 |
| Onyike St. | Urban | Abaukwu | Aba | Abia | 450251 |
| Opobo Rd. | Urban | Ovom | Aba | Abia | 450221 |
| Oraberi St. | Urban | Abaukwu | Aba | Abia | 450251 |
| Oraifite St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Oriaku St. | Urban | Umungasi | Aba | Abia | 450272 |
| Orji Lane | Urban | Ovom | Aba | Abia | 450221 |
| Orji Ln. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Orji St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Orji St. | Urban | Osusu Layout | Aba | Abia | 450271 |
| Osu Ihiteukwa Rd. | Urban | Asaokpuja | Aba | Abia | 450261 |
| Osuagwu St. | Urban | Ovom | Aba | Abia | 450221 |
| Osunkwo S St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Osusu Rd. | Urban | Osusu Layout | Aba | Abia | 450271 |
| Ovom Rd. | Urban | Ovom | Aba | Abia | 450221 |
| Owerri Rd. | Urban | Osusu Layout | Aba | Abia | 450271 |
| Ozalla Ave. | Urban | Ovom | Aba | Abia | 450221 |
| Ozobulu St. | Urban | Asaokpuja | Aba | Abia | 450261 |
| Ozokwere St. | Urban | Asaokpuja | Aba | Abia | 450261 |
| Ozubulu St. | Urban | Ohabiam-Layout | Aba | Abia | 450252 |
