Human communication from the neolithic era has been faced with the task of reaching out to many people outside their boundary of communication. It evolved from face to face communication to inter, group, gong inter alia, but the emergence of telecommunication changed human communication, as it satisfied the need of communicating in real time no matter the location. 
This brought about the entrance of many telecommunication companies in Nigeria. Each company tries to offer people more value for their money through reduced call/SMS rates and affordable data plans. Find below a list of all telecommunication companies in Nigeria including a short description of each network.
List of Telecommunication Companies in Nigeria
- MTN
The first mobile telecommunication company in Nigeria, MTN, was founded in 2001. MTN provides telecoms and data services to over 200 cities of the country. The services are also reachable in rural areas. MTN has invested so much to get to where they are today. They provide one of the most reliable and the fastest internet services in Nigeria.
- Globacom
Mike Adenuga, founded this company in 2003. Since then, Glo has become a very popular telecommunication services provider in Nigeria with over 35 million subscribers.
- MainOne
The company is a leader of telecommunication services for businesses in Nigeria and several other countries of West Africa. The list of services includes:
- Data center services
- Connectivity services
- Enterprise voice services
- Media services
- Mainone DDOS Protection Service
- SME-in-a-box Pro
- SME in a box solution
Since 2010, the company has become a leading provider of wholesale internet services. Among their clients: ISPs, major telecoms operators, large enterprises, government agencies, educational institutions and so on.
- 9Mobile
Formerly known as Etisalat, 9Mobile is a leading telecommunication brand in Nigeria. They provide one of the fastest networks in areas where they can be reached. They also have a large customer base.
- Swift Networks Limited
Swift is known as a reliable and cost-effective provider of telecommunication services. They provide cost-effective internet plans for home and office use. The list of services includes:
- Collocation services
- Broadband internet access
- Virtual Private Networking Services
- Web and email hosting
- Video conference Surveillance solutions
- Smile Nigeria
Smile Nigeria is a well-developed telecommunication company that provides voice and internet services. The company started to offer 4G LTE service in 2014. Presently, it is available in 8 cities. High-quality voice services and reliable internet network made this company one of the leaders at the market. Smile provides 4G connection not only in the towns of Nigeria but also in other cities of Africa.
- Spectranet
Spectranet is a renowned telecommunication service provider popularly known as the first 4G LTE service provider in the country. Nigerian Communications Commission licensed the company in 2009 and today they are valued by their numerous customers for their smart and reliable 24/7 high-speed internet. The company was awarded the best broadband company in 2016. Spectranet 4G services are available in 4 cities viz. Abuja, Lagos, Ibadan and Port Harcourt.
- nTel
Nigeria Telecommunications Limited was established in 2016. The company has special technologies to provide internet speed as fast as 230Mbps. Today their services are available in Lagos, PortHarcourt, and Abuja.