Águas de Santa Bárbara is a municipality in São Paulo, Brazil. The population is 6,109 in an area of 405 km². It was founded in 1868. In t…Águas de Santa Bárbara is a municipality in São Paulo, Brazil. The population is 6,109 in an area of 405 km². It was founded in 1868. In telecommunications, the city was served by Companhia de Telecomunicações do Estado de São Paulo until 1973, 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.