Owned by Mount Wilson FM Broadcasters, the station serves Greater Los Angeles and much of surrounding Southern California.
The station was licensed to San Fernando Valley Broadcasting Company, with studios and executive offices at 4919 Van Nuys Boulevard, Sherman Oaks, California.
K-NEWS was an all-news radio service with content from the Associated Press or local announcers Peter Arbogast, Jim Roope, and H.K.
[6] On December 1, 2006, KKGO changed to a country music format, filling the void left behind when KZLA became rhythmic adult contemporary as KMVN earlier in 2006.
On October 29, 2007, KMZT changed its calls back to KGIL and flipped formats from classical to talk radio, with Michael Jackson as the headline host.
Mornings had John Regan, middays had Gary Hollis, afternoons had Kimber Murphy, followed by Chuck Southcott, who had worked at KGIL from 1962 to 1975.
"Retro 1260" emphasized vocals and played Elvis Presley, Sam Cooke, The Beatles, and The Beach Boys, as well as Frank Sinatra, Ella Fitzgerald, Steve Tyrell, and Michael Feinstein.
KMZT aired a classical music radio format that was also heard on sister station KMZT-FM (95.9 MHz) in Big Sur, California.
On September 6, 2024, KMZT dropped its "K-Mozart" classical format (which continues on KKGO-HD2 and HD3, as well as K252FO 98.3 Los Angeles) and began stunting with all-Taylor Swift music.