Stations
- 48 FM
- 48201 Radio
- 48FM 100.1 Liege
- 49dance
- 4BC
- 4BH
- 4CRB
- 4CRM 107.5
- 4Drive Jazz
- 4E
- 4EB
- 4EverRadio
- 4KQ Brisbane
- 4Life Radio – Greek
- 4Lobos – Bollywood Radio
- 4Lobos – Goa Radio
- 4Lobos – Konkani Radio Station
- 4Lobos – Pop & Oldies Radio Station
- 4MBS Classic FM
- 4Noises
- 4Play Sounds Radio
- 4PLAY.fm
- 4real fm
- 4Reasons Radio
- 4U Radio 93,1
- 4uRadios – 4U 70s
- 4uRadios – 4U 80’s
- 4uRadios – 4U Classic Rock
- 4uRadios – 4U Funky Classics
- 4uRadios – 4U Hard FM
- 4uRadios – 4U Smooth Jazz
- 4you
- 4ZZZ
- 501 Nation
- 503 Mi Preferida Radio
- 503 Music Radio
- 503 Radio Zone
- 505 Nicaragua Radio
- 5150 Radio Rock
- 520 Radio
- 54 Funk Soul Dance
- 54 RCF Nancy Lorraine
- 54-funk-soul-dance
- 540 ESPN Milwaukee – WAUK
- 540 KWMT – KWMT
- 540 WRGC The River – WRGC
- 54fm_radios – BeatzMasterzRadio
- 54fm_radios – BillboardMusicRadio
- 54fm_radios – NYCFreestyle54FM
- 54fm_radios – SalsaRadio54FM
- 54fm_radios – Wvmlo Music Radio
- 54house.fm – The Heartbeat Of House Music
- 55 KARI AM
- 550 AM WSAU – WSAU
- 550 WAY Radio – WAYR
- 55Country – KRAI
- 560 CFOS – CFOS
- 560 KBLU – KBLU
- 562 LIVE
- 57 Chevy Radio
- 57 Years of Soul Music Radio
- 570 CFCB – CFCB
- 570News – CKGL
- 57x Americana Music
- 580 AM ESPN Radio – KTMT
- 580 WCHS – WCHS
- 580 WIBW – WIBW
- 580 WKTY – WKTY
- 590 CJCW – CJCW
- 590 The Fan – KFNS
- 590 VOCM – VOCM
- 590AM The Word – WEZE
- 5AU
- 5EBI
- 5FM
- 5FM Radio
- 5GTR FM
- 5lemento Radio Rap
- 5MBS Adelaide
- 5RM
- 5StarRadio
- 6 Foot 3 Radio
- 6 Towns Radio (6TR)
- 60 NORTH FM
- 60’s & Beyond
- 60’s Chicks Radio
- 600 The Answer – WBOB
- 60minuten
- 60s Chartbusters
- 60s forever
- 61 BLUES
- 610 AM The Rock – KOJM
- 610 WRUS – WRUS
- 612 ABC Brisbane
- 615 Radio
- 620 CKRM – CKRM
- 620 The Ticket – WDNC
- 620 WTMJ – WTMJ
- 630 CHED – CHED
- 640 AM Toronto – CFMJ
