| Location | Type | Area/District | City/LGA | State | Postcode |
|---|---|---|---|---|---|
| Obioma Ave. | Urban | Umungasi | Aba | Abia | 450272 |
| Obiora Rd. | Urban | Aba Central | Aba | Abia | 450211 |
| Obodo St. | Urban | Abaukwu | Aba | Abia | 450251 |
| Obohia Rd. | Urban | Abaukwu | Aba | Abia | 450251 |
| Oboro St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Obu St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Obuda St. | Urban | Osusu Layout | Aba | Abia | 450271 |
| Obuda St. | Urban | Asaokpuja | Aba | Abia | 450261 |
| Obunkwu St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Odu Ln. | Urban | Umungasi | Aba | Abia | 450272 |
| Ofoedu Cl. | Urban | Umungasi | Aba | Abia | 450272 |
| Ogbonna Cl. | Urban | Umungasi | Aba | Abia | 450272 |
| Ogbonna Rd. | Urban | Asaokpuja | Aba | Abia | 450261 |
| Ogbuji St. | Urban | Asaokpuja | Aba | Abia | 450261 |
| Ogechi St. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Ogene Close | Urban | Osusu Layout | Aba | Abia | 450271 |
| Ogolo Rd. | Urban | Aba Central | Aba | Abia | 450211 |
| Ogwo Rd. | Urban | Iheorji-Layou | Aba | Abia | 450241 |
| Oha Rd. | Urban | Aba Central | Aba | Abia | 450211 |
| Ohabiam Rd. | Urban | Ohabiam-Layout | Aba | Abia | 450252 |
