WXMZ (99.9 FM, "Z100") is a radio station licensed to serve Hartford, Kentucky. The station is owned by Radio Active Media, Inc.. Currently features a very popular lunch show called Lunch at the Z with Jerry Wright It airs an oldies music format.The station was originally WLLS-FM (LS 106), playing a Top 40 format. It was simulcast on WLLS-AM (now WAIA). The calls were switched to WKHB on October 1, 1996.