KKXX first broadcast as KMET in 1960. It was owned by Komet Radio, Inc.
On October 15, 1962, the call letters were changed to KNGL, or "K-Angel". The slogan was "The Voice From Paradise."
On January 6, 1967, the call letters were changed to KEWQ, as "Q-Radio, Family-Oriented Christian Radio", under Butte Broadcasting, Inc., which had acquired the station in December 1966.
In 1988 it began broadcasting under the name KKXX.
On November 7, 2009, an FM translator K283AR, at 104.5 FM (formerly of KYIX-FM), was acquired as a translator of KKXX.
On May 31, 2016, an additional FM translator K280GL, at 103.9 FM (formerly licensed to Lovelock, Nevada), was acquired as a second FM translator of KKXX.