WHNZ (1250 AM, "Impact Radio") is an American radio station licensed to serve Tampa, Florida, USA. The station's broadcast license is held by Citicasters Licenses, Inc. WHNZ is one of the eight stations in the Tampa Bay market owned by iHeartMedia, Inc.. The station's studios are located in South Tampa and the transmitter site is in Town 'n' Country.This station, founded in 1922, was assigned the call sign "WHNZ" by the Federal Communications Commission (FCC) on March 7, 2000.