No cellphone or Wi-Fi: enter the Appalachian's quietest hamlet If you were to stop for gas in Green Bank, West Virginia, forget about phoning home. Inhabited by around 150 silence-seekers, this remote town sits inside the mountainous US National Radio Quiet Zone, a 13,000–square-mile area where electronic waves are banned, due to the presence of the largest steerable radio telescope in the world. A natural sound version of an AFPTV report.