1ZH was a New Zealand radio station based in Hamilton, New Zealand. The station was originally known as 1XH which was the stations original callsign. 1XH was started by Radio New Zealand (which at the time was known as the National Broadcasting Service) in 1949, broadcasting on 1310 AM. In 1968 the station callsign was changed to 1ZH and the station known on air as this name. In 1978 after AM band in New Zealand was changed from 10 kHz spacing to 9 kHz spacing, as a result 1ZH was moved to 1296AM. On air names included 1300 1ZH and Hits and Memories 1ZH during the 1980s.