 Campello is first mentioned in 1400.According to the only partially confirmed tradition, the village emerged from the settlement of Fontanedo, which was completely abandoned by the mid-18th Century.Together with Calpiogna, Primadengo, Chinchengo and part of Faido, Campello belonged to the "Degagna" of Fichengo, which was one of the three "Degagne" that made up the "Vicinanza" of Faido.