From July 4, 1954 when the station first signed on with the callsign KHFS until 1956, then KKEY was owned by the Weagant family of Vancouver, Washington.
After trying several different formats throughout the 1950s and '60s, in 1971, KKEY went all talk with such hosts as Jack Hurd, Alan Hirsch, Peter Marland Jones, Jerry Dimmitt, and Rick Miller.
The station was assigned the call sign KLPM by the Federal Communications Commission (FCC) on April 14, 2009.
[4] During the weekend of August 13–14, 2011, KXET was taken off the air by theft of equipment in its transmitter site, however, their transmissions were still available on FM via K228EU.
On November 17, 2012, KXET changed its format to Russian Christian, simulcasting KQRR 1130 AM Mount Angel, Oregon.