The Area Codes of Nigeria:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Ogoja | 045 (+23445) |
| 2. | Okitipupa | 059 (+23459) |
| 3. | Onitsha | 046 (+23446) |
| 4. | Oshogbo | 035 (+23435) |
| 5. | Owerri | 083 (+23483) |
| 6. | Owo | 051 (+23451) |
| 7. | Oyo | 038 (+23438) |
The Area Codes of Nigeria:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Ogoja | 045 (+23445) |
| 2. | Okitipupa | 059 (+23459) |
| 3. | Onitsha | 046 (+23446) |
| 4. | Oshogbo | 035 (+23435) |
| 5. | Owerri | 083 (+23483) |
| 6. | Owo | 051 (+23451) |
| 7. | Oyo | 038 (+23438) |