AriranhaAriranha is a municipality in the state of São Paulo, Brazil. The population is 9,761 in an area of.Ariranha belongs to the Mesoregion of São José do Rio Preto.WWW ariranha.sp.gov.brMediaIn 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.