Barrinha is a municipality in the state of São Paulo in Brazil founded on December 30, 1953. The population is 33,180 (2020 est.) in an area of 146 km. The elevation is 505 m.

In telecommunications, the city was served by Companhia Telefônica Brasileira 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.

The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).