| City | City Code |
|---|---|
| Abuja | 9 |
| Badagry | 1 |
| Bauchi | 77 |
| Edo | 52 |
| Jos | 73 |
| Kaduna | 62 |
| Kano | 64 |
| Lagos | 1 |
| Maiduguri | 76 |
| Niger State | 66 |
| Port Harcourt | 84 |
| Sokoto | 60 |
| Wari | 53 |
| Mobile Phones | 90,470,480,490 774,775 |
| City | City Code |
|---|---|
| Abuja | 9 |
| Badagry | 1 |
| Bauchi | 77 |
| Edo | 52 |
| Jos | 73 |
| Kaduna | 62 |
| Kano | 64 |
| Lagos | 1 |
| Maiduguri | 76 |
| Niger State | 66 |
| Port Harcourt | 84 |
| Sokoto | 60 |
| Wari | 53 |
| Mobile Phones | 90,470,480,490 774,775 |