Licensed to Rupert, Idaho, United States, the station serves the Twin Falls area.
[3] The station began its regional Mexican format on November 1, 1999, as "La Fantástica 970", under the direction of Benjamin Reed, a.k.a.
Reed has also been featured in Pulitzer Prize-winning author Hector Tobar's book, Translation Nation.
On March 1, 2013, the station began broadcasting the Spanish adult hits format "Juan" from Westwood One.
The KZNO calls and "Zone" sports format were previously on 103.1 FM KEDJ, which switched to active rock as "The Edge".