KSMB (94.5 FM, "94.5 KSMB") is a CHR radio station in Lafayette, Louisiana owned by Cumulus Media. Its studios are located on Galbert Road in Lafayette, and its transmitter is located south of Church Point, Louisiana. KSMB began broadcasting in 1964 as Lafayette's first FM station. Its call letters stand for Southland Music Broadcasting, the station's original owner company. Citadel Broadcasting purchased KSMB from Powell Broadcasting in 1999. Citadel merged with Cumulus Media on September 16, 2011. KSMB is recognized as one of Louisiana's oldest operating radio stations.