The Kanza Society was founded in 1977. The network's flagship station, KANZ (91.1 FM) in Garden City, signed on in 1980 from a studio at a converted elementary school in nearby Pierceville. Since then, HPPR has added eleven other full-power stations in Kansas, Oklahoma, Colorado and Texas, as well as low-powered translators in Kansas and Texas. Most of these areas had never been previously served by an NPR station.
HPPR's coverage area is one of the largest in the NPR system. It comprises mostly rural areas and small towns; by far the largest urban center is Amarillo.
The network offers two HD Radio subchannels. HD1 is a simulcast of the analog signal's NPR/classical/jazz format. HD2 is "HPPR Connect," which provides an extended schedule of news programming. Both channels are streamed live on the Internet.