Wikipedia
KRPM (107.5 FM) is a radio station broadcasting a Country music format. Licensed to Billings, Montana, USA, the station serves the Billings area. The station is currently owned by Radio Billings, LLC.
KRPM signed on as KULU on May 22, 2000. On October 20, 2000, KULU flipped to 1980s Hits as 107.5 The River under the new callsign KZRV. The format later became Adult Contemporary, still as 107.5 The River. 107.5 changed call letters to the current KRPM on November 10, 2006 and changed formats to Rock as Rock 107.5, which it carried until March 2010, when it flipped back to AC as Magic 107.5. On June 25, 2014, 107.5 switched to a simulcast of KYSX as "Twang 105" and on July 3, 2014 "Twang 105" officially switched to "Twang 107.5" and 'K-Rock 105'' debut on 105.1 FM. Both stations are operated by Anthony Media (who also operates MOJO 92-5).