| Location | Type | Area/District | City/LGA | State | Postcode |
|---|---|---|---|---|---|
| Okan | Rural | Agbarho | Ughelli | Delta | 333110 |
| Okoh-Idiopha | Rural | Orogun | Ughelli | Delta | 333111 |
| Okorikpere | Rural | Agbarho | Ughelli | Delta | 333110 |
| Okpara | Rural | Agbarha | Ughelli | Delta | 333106 |
| Omakoghwre | Rural | Agbarha | Ughelli | Delta | 333106 |
| Omavovwe | Rural | Agbarha | Ughelli | Delta | 333106 |
| Onyobru | Rural | Orogun | Ughelli | Delta | 333111 |
| Ophori | Rural | Agbarha | Ughelli | Delta | 333106 |
| Ophori | Rural | Agbarho | Ughelli | Delta | 333110 |
| Ophori-Uwedjor | Rural | Owheru | Ughelli | Delta | 333109 |
| Ophrororo | Rural | Owheru | Ughelli | Delta | 333109 |
| Oreba | Rural | Owheru | Ughelli | Delta | 333109 |
| Orho-Agbarho | Rural | Agbarho | Ughelli | Delta | 333110 |
| Orhokpokpo | Rural | Agbarho | Ughelli | Delta | 333110 |
| Orhokpokpo | Rural | Orogun | Ughelli | Delta | 333111 |
| Orhomuru | Rural | Orogun | Ughelli | Delta | 333111 |
| Orogun | Rural | Orogun | Ughelli | Delta | 333111 |
| Oteri | Rural | Agbarha | Ughelli | Delta | 333106 |
| Oteri | Rural | Ughelli | Ughelli | Delta | 333105 |
| Otogor | Rural | ogor | Ughelli | Delta | 333107 |
