Jarinu is a municipality in the state of São Paulo in Brazil. The population is 30,617 in an area of 208 km. The elevation is 755 m. The municipality was created by state law in 1948. In telecommunications, the city was served by Telecomunicações de São Paulo. In July 1998, this company was acquired by Telefónica, which adopted the Vivo brand in 2012. The company is currently an operator of cell phones, fixed lines, internet and television.