Radio KCSN 88.5 FM you can listen on this page of our site. Station work in genres: Rock. 88.5 FM is Southern California's only non-commercial station providing an eclectic blend of Modern Rock, great rock legends, Americana, and singer-songwriters.. Radio KCSN 88.5 FM has a rating 5.0. Broadcasting country: USA. The station was rated by 3 listeners. Radio KCSN 88.5 FM you can also listen in the FMCUBE app for Android.