KFI

- For other stations that used the KFI callsign, please see KFI (disambiguation).
KFI (640 kHz) is an AM radio station in Los Angeles, California, owned and operated by iHeartMedia, Inc. It received its license to operate on March 31, 1922 and began operating on April 16, 1922, and after a succession of power increases, became one of the United States' first high-powered, "clear-channel" stations. KFI is a Class A 50,000 watt station. It airs a talk radio format, with mostly local hosts and frequent news updates.