Telephone and Internet
There are four major mobile service providers in Nigeria:
- A South African company with a wide coverage across Nigeria and Africa. Their number series start from 0803, 0703 and 0813.
- This is the only indigenous mobile service provider in the country with a wide coverage across Nigeria and West Africa. Their number series start from 0805, 0705 and 0815.
- This is an Indian mobile service provider with coverage in Nigeria and Sub-Sahara with a number series of 0802, 0708 and 0812.
Etisalat Nigeria - This is an Arabic mobile service provider with coverage in Nigeria and the Middle East with number series of 0809, 0819 and 0818.
All the mobile service providers also provide internet services across the nation.
- This is a CDMA provider with coverage in South Western and South South Nigeria, with number series of 0702. They also provide internet services in these parts of the country.
Major city codes in Nigeria are as follows:
| Abeokuta || 039 |
| Abuja || 090 |
| Bauchi || 077 |
| Benin City || 052 |
| Calabar || 087 |
| Enugu || 042 |
| Ibadan || 020 |
| Jos || 073 |
| Kaduna || 062 |
| Kano || 064 |
| Katsina || 065 |
| Lagos || 010 |
| Port-Harcourt || 084 |