Guapiaçu is a municipality in the state of São Paulo, Brazil, with a population, measured in 2020 by the IBGE, of 21,775 and an area of 326 km2 (126 sq mi). Is located in the north/northwest of the state, 17 kilometres (11 mi) from São José do Rio Preto.
The city name comes from the Tupi language, and means "Big spring (of a river)".
History
The settlement of the region began at the end of the 19th century. At the beginning of the 20th century, the city was a village named Ribeirão Claro. On 28 November 1927 the village was elevated to a district. The name changed to its current form in 1945. The city was established as a municipality on 30 November 1953, when it was separated from Rio Preto.[2]
In telecommunications, the city was served by Telecomunicações de São Paulo.[5] 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).[6]