Licensed to Riverton, Wyoming, United States, the station is currently owned by the Edwards Group Holdings, Inc., Employee Stock Ownership Trust, through licensee Edwards Communications LC, and features programming from Westwood One's Classic Rock network and AP Radio.
The construction permit was modified on August 30, 1984, and the station received a license to cover on February 25, 1985.
[5] KTRZ was an adult contemporary station, with the slogan "The Best Mix 93.1" with programming from the Jones Radio Network.
[8] In September 2023, the station, along with its sisters moved to a new studio on Main Street, co-located with the town's newspaper, The Riverton Ranger.
Along with the move to the new studio, Edwards Communications also upgraded its other stations transmitters southeast of Riverton on Beaver Rim (KTAK), and northeast on Copper Mountain (KDNO, KWYW).