KOKZ (105.7 FM) is a radio station serving the Waterloo and Cedar Rapids metropolitan areas with a classic hits format which includes a diverse playlist of music from the late 1960s to the early 1990s.

The station signed on in 1962 as KXEL-FM, and in 1979 was given the callsign KCNB.

It switched to oldies, and rebranded as "Cool 105.7", in February 1997, and adopted the current classic hits format in 2007.

[2] Syndicated weekend programs currently airing on KOKZ include classic "American Top 40" rebroadcasts from the 1970s and 1980s, "Absolutely '80s" hosted by former MTV VJ Nina Blackwood, and "Retro Pop Reunion" with Joe Cortese.

This article about a radio station in Iowa is a stub.