The station began as 2CN in 1953[1] originally broadcasting on 1540 kHz[2] and from 21 December 1974 at 1440 kHz.[3] On 6 December 1983, it changed to its current AM frequency of 666 kHz.[4][5] The station first broadcast from studios based at the transmitter site at Gungahlin. In 1957, the station was relocated to the centre of Canberra, before finally moving to purpose-built studios in Dickson in 1964.
2CN rebranded as 666 ABC Canberra in 2000, and to its current name, ABC Radio Canberra in 2017.[6]