89FM was a local FM radio station in Auckland between 1983 and 1994 and one of the very first radio stations to broadcast on FM in both Auckland and New Zealand. The first FM station in New Zealand was Whakatane station, FM 90.7 in January 1982 but this station was only a temporary summer radio station. The other station to start around the same time as 89FM was Magic 91FM in Auckland. The station was originally branded as 89 Stereo FM broadcasting on 89.4FM using the callsign 1ROQ.
In 1984 the station became part of Triple M and was rebranded as Triple M 89FM using the same logo and station imaging as the Triple M stations in Australia, all programming remained local, at the same time the stations callsign was changed to 1MMM. In 1988 the station dropped the Triple M branding and became 89FM. Station branding included Auckland's Music Leader and in 1991 The All New 89FM.
In 1991 the station changed format to a Rock format was rebranded as 89Rock and in 1992 was once again changed to become 89X. In 1992 the station was sold to Radio New Zealand.
On 10 February 1993 Radio New Zealand closed down 89X and used the frequency to broadcast Newstalk ZB on FM in Auckland as well as the existing AM frequency that Newstalk ZB was broadcasting on.
Coordinates: 36°50′51″S 174°45′57″E / 36.847385°S 174.765735°E / -36.847385; 174.765735