KDKA (1020 kHz) is a Class A, clear channel, AM radio station, owned and operated by Audacy, Inc. and licensed to Pittsburgh, Pennsylvania. Its radio studios are located at the combined Audacy Pittsburgh facility in the Foster Plaza on Holiday Drive in Green Tree, and its transmitter site is at Allison Park. The station's programming is also carried over 93.7 KDKA-FM's HD2 digital subchannel, and is simulcast on FM translator W261AX at 100.1 MHz.KDKA features a news/talk radio format. Operating with a transmitter power of 50,000 watts non-directional, the station can be heard during daylight hours throughout central and western Pennsylvania, along with portions of the adjacent states of Ohio, West Virginia, Maryland and New York State, plus the southernmost part of the province of Ontario. With a good radio, KDKA can be heard throughout the state of Pennsylvania and much of the Eastern United States and Eastern Canada at night.

KDKA has described itself as the "Pioneer Broadcasting Station of the World." It is considered by many historians as the first commercially licensed radio station. Initially using the temporarily assigned "special amateur" call sign of 8ZZ, it traces its beginning to its broadcast of the Harding-Cox presidential election results on the evening of November 2, 1920 (1920-11-02).

KDKA-AM is Local Primary Emergency Alert System Station 1 for the Pittsburgh Extended area and the Primary Entry Point Emergency Alert System station for western Pennsylvania.