Abstract: The study looks at the development in telecommunications in Nigeria and draws from the experience of other developed countries of the world. It examines the trends from the colonial period to the deregulation of telecommunication activities period. It highlights the modernization of the exchanges and the transmission networks. Statistical data`s on telecommunication facilities and lines were made available, showing the current trends and increase in telecommunications facilities and lines as a result of deregulation of telecommunication activities. The impacts of these developments on national development were highlighted. The study concluded with suggestions that can enhance further developments in telecommunications in Nigeria.