CJOB is a talk radio station located at 680 kHz on the AM band in Winnipeg, Manitoba, Canada. It is owned and operated by Corus Radio, a national media company in Canada. CJOB has been the highest-rated radio station in Winnipeg for many years, and is also the sister station of CJGV-FM and CJKR-FM. Currently, all operate out of the same location at 1440 Jack Blick Avenue in Polo Park, Winnipeg. In early 2008, the station's market share was 15.3 percent.