Stations
- 2HI Radio
- 2K22DAY
- 2ks Dance Radio – Eurodance & Italodance
- 2live
- 2MAX FM
- 2MCE
- 2MCR
- 2MM Radio
- 2NBC 90.1 FM
- 2NM
- 2NURFM
- 2oceansFM
- 2Qfm New York
- 2RDJ
- 2REM 107.3 FM
- 2RPH
- 2RRR
- 2SM
- 2SM 1269AM Sydney
- 2SSR 99.7 FM
- 2ST
- 2town Radio
- 2UE 954 Sydney
- 2vSTREAM
- 2WG
- 2XX FM
- 2YYY Radio
- 3 A.M. Radio Adventista
- 3 DAYS GH Radio
- 3 music Harmony
- 3 Provinciënstreamteam
- 30-radio
- 306 Radio
- 30A Radio
- 320 FM
- 33 45 Radio
- 360Africa Radio
- 382 Radio
- 3ABN
- 3ABN – KAVS-LP
- 3ABN – KEUR-LP
- 3ABN – KFJL
- 3ABN – KLLF-LP
- 3ABN – KOBT-LP
- 3ABN – KSTG-LP
- 3ABN – WDQN-FM
- 3ABN – WJOF-LP
- 3ABN – WLMM-LP
- 3ABN – WVCL-LP
- 3ABN – WWOC-LP
- 3ABN – WYWH-LP
- 3ABN Radio – KANB-LP
- 3ABN Radio – KIAO
- 3ABN Radio – KSQX
- 3ABN Radio – WMLA-LP
- 3ABN Radio – WWOH LP
- 3ABN Radio FM 95.9 – WXNM-LP
- 3ABN Radio Latino
- 3ABN Radio Network
- 3ABN Radio Network – WPHF-LP
- 3AW
- 3BA 102.3FM
- 3chords
- 3CR Community Radio
- 3FM
- 3HA
- 3j radio
- 3KJ – KKKJ
- 3KND 1503AM
- 3MBS
- 3MBS Digital
- 3MDR 97.1 FM
- 3mFM
- 3R-Radio
- 3SH
- 3Toastbrot
- 3WAY-FM
- 3WBC
- 3WC – WWWC
- 3WZ – WZWW
- 3XY Radio Hellas
- 3ZZZ FM
- 4 Decades Radio
- 4 Elements Radio
- 4 FM
- 4-LIFE Radio
- 40 Principales – Guadix 90.8 FM
- 40 Principales – XHEZZZ
- 40 Principales Asturias
- 40 Principales Jerez 97.8 FM
- 40SOULcom
- 40UP Radio
- 411 OUT
- 412Live – Lotus Lounge
- 432Hz Radio
- 440Music – Indie Alternative Radio
- 45 Radio
- 45 Radio UK
- 45-rpm
- 47 FM
