CFFR is a Canadian AM radio station broadcasting at 660 kHz in Calgary, Alberta and began broadcasting on January 10, 1984. As of April 3, 2006, it operates in an all-news format, branded 660News. It is a Class B, 50,000 watt station broadcasting on the clear-channel frequency of 660 AM. CFFR's studios are located on 7th Avenue Southwest in downtown Calgary, while its transmitters are located near Okotoks.Previously it had operated as oldies station 66 CFR.