The station signed on the air in 1982; 42 years ago (1982). Its original call sign was WKCN. It also used the call letters WVVO before becoming WTMZ in 1993.
On August 17, 2020, WTMZ ended its simulcast of 98.9 WTMZ-FM "ESPN Charleston" and began airing sports programming previously heard on WQSC.[3] WQSC switched to a classic hits format.
While 98.9 WTMZ-FM carries mostly ESPN Radio programs, WTMZ 910 and 94.7 air mostly Fox Sports Radio shows.