The station was initially owned by road paving and construction executive Frank "Hi-Ho" Daddario and referred to itself on the air as "The Hi-Ho Spot On Your Dial." Daddario also owned the Hotel Hi-Ho. When he purchased a mall in downtown Bridgeport, he renamed it the "Hi Ho Center." His brother, Emilio Q. Daddario represented Connecticut in Congress and lost the Connecticut gubernatorial election of 1970. Daddario died in a plane crash in 1986. WDJZ was the first affiliate of the MORMusic Of Your Life format in the late 1970s.
In late January 2008, John Labarca began to broadcast his Italian program on Sunday mornings. Labarca used to host the weekday morning drive show and the "Italian House Party" on competitor WICC.