This sound is from Phone Guy Sounds: Five Nights at Freddy's

The main series consists of nine survival horror video games taking place in locations connected to "Freddy Fazbear's Pizza" The franchise also includes spin-off games and other media, such as a novel trilogy and an anthology series.
See also: Five Nights at Freddy's (video game), Five Nights at Freddy's 2, Five Nights at Freddy's 3, Freddy Krueger, Random Encounters, A Nightmare on Elm Street 3: Dream Warriors.