Until 2015, KBOK/KZYP broadcast a classic country format. After losing ratings to US Stations, LLC's 104.5 The Bull, KZYP changed their format to regional Mexican. On July 7, 2016, KZYP went silent.[3] On February 13, 2017, KZYP went back on the air with a sports radio format. On April 29, 2017, KZYP went silent again.
^"Directory of Radio Stations in the United States and Canada". Broadcasting Yearbook 1979. Washington, DC: Broadcasting Publications, Inc. 1979. p. C-15.