Piacatu is a municipality in the state of São Paulo in Brazil.

[2] The elevation is 422 m. The city name is an ancient tupi-guarani language composite word meaning "good vision".

[3] In July 1998, this company was acquired by Telefónica, which adopted the Vivo brand in 2012.

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

[4] This geographical article relating to the state of São Paulo is a stub.