KFI (640 AM) is a radio station in Los Angeles, California, owned and operated by iHeartMedia. 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, non-directional station. It airs a talk radio format, with mostly local hosts and frequent news updates.