The following radio stations broadcast on AM frequency 585 kHz:
Australia 6PB at Perth, Western Australia 7RN at Hobart, Tasmania
Iran Radio Farhang in Tehran
Philippines DYLL-AM in Iloilo City DXCP in General Santos
Fictional 585 AM was also the radio frequency of the fictional WNYX news station on the sitcom Newsradio in the late 1990s.
References