The station was launched in December 1967 as KATN-FM. On August 1, 1968, the callsign was changed to KBBK.
Top 40 (1978–1990)
On January 2, 1978, KBBK flipped to a new Top 40 format branded as Magic 92, one of the first full-time FM Top 40 stations in the Boise market. In 1984, KBBK changed their call letters to KIYS and rebranded as 92 Kiss FM.
Country (1990–present)
In 1990, the station switched to a Country format as Kissin' 92, and changed the call letters to KIZN. The switch left Boise with just one CHR station (KF95) until KZMG re-launched as Magic 93.1 in 1991. KZMG had previously been Magic 93 with a short-lived Adult Contemporary format.
In early 2013, along with branding changes at sister station KQFC, Cumulus adjusted the name of the station from Kissin' 92 to KISSIN 92.3.
On April 3, 2017, a staff shuffle happened between KIZN and sister station KQFC; KQFC afternoon host Rick Daniels over to KIZN for the same shift.[2][3] Also, KIZN debuted a new logo.
On October 1, 2017, Shawnda McNeal [4][5][6][7] was hired to join market veteran Cory Mikhals on the KIZN morning shift. The morning show was rebranded as "Idaho's Morning Show".