Magda is a municipality in the state of São Paulo in Brazil. The population is 3,102 in an area of 312 km². The elevation is 526 m. In telecommu…Magda is a municipality in the state of São Paulo in Brazil. The population is 3,102 in an area of 312 km². The elevation is 526 m. In telecommunications, the city was served by Companhia de Telecomunicações do Estado de São Paulo until 1975, when it began to be served by Telecomunicações de São Paulo. In July 1998, this company was acquired by Telefónica, which adopted the Vivo brand in 2012.