| Location | Type | Area/District | City/LGA | State | Postcode |
|---|---|---|---|---|---|
| Obuolia | Rural | Ibere | Ikwuano | Abia | 440108 |
| Obuoro | Rural | Ibere | Ikwuano | Abia | 440108 |
| Ofeke | Rural | Ibeku | Ikwuano | Abia | 440101 |
| Ogbodimbe | Rural | Umuo-Para | Ikwuano | Abia | 440105 |
| Ogbodiukwu | Rural | Umuo-Para | Ikwuano | Abia | 440105 |
| Ohiaocha | Rural | Umuo-Para | Ikwuano | Abia | 440105 |
| Ohokobe | Rural | Ibeku | Ikwuano | Abia | 440101 |
| Okaiuga | Rural | Nkwo-Egwu | Ikwuano | Abia | 440112 |
| Okwarakaru | Rural | Nwkoachara | Ikwuano | Abia | 440107 |
| Okwe | Rural | Oboro | Ikwuano | Abia | 440109 |
| Okwoi | Rural | Ibeku | Ikwuano | Abia | 440101 |
| Okwu | Rural | Olo-Koro | Ikwuano | Abia | 440102 |
| Okwu | Rural | Old Umu-Ahia | Ikwuano | Abia | 440103 |
| Okwu | Rural | Umuhu | Ikwuano | Abia | 440114 |
| Okwuta | Rural | Ibeku | Ikwuano | Abia | 440101 |
| Oloko | Rural | Oloko | Ikwuano | Abia | 440111 |
| Oloko | Facility | Ikwuano | Abia | 440014 | |
| Omaegwu | Rural | Umuo-Para | Ikwuano | Abia | 440105 |
| Orori | Rural | Omuegwu | Ikwuano | Abia | 440113 |
| Ossah | Rural | Ibeku | Ikwuano | Abia | 440101 |
