93.1 JACK FM (KCBS-FM 93.1 FM) is an Adult Hits radio station licensed to Los Angeles, CA, and serves the Los Angeles radio market. The station is currently owned by Audacy. Call sign: KCBS-FM Frequency: 93.1 FM City of license: Los Angeles, CA Format: Adult Hits/80s Hits Owner: Audacy Area Served: Los Angeles Sister stations: KNX 1070 NewsRadio, K-EARTH 101, 106.7 KROQ, 94.7 The WAVE