List of radio station callsigns in Queensland Defunct Callsigns Defunct Callsigns

| Callsign | Area_served | Band | Freq_currently | Purpose |
|---|---|---|---|---|
| 4QA | Mackay | AM | silent | National |
| 4QFM | Ipswich | FM | 4BNE | Commercial |
| 4QG | Brisbane | AM | 4RN | National |
| 4RR | Townsville | AM | 4TAB | Commercial |
| 4RRR | Roma | FM | silent | Community |
| 4SDA | Nambour | FM | 4SFM | Community |
| 4SO | Southport | AM | silent | National |
| 4SS | Nambour | AM | silent | Commercial |
| 4SUN | Remote Commercial Radio Service North East Zone | FM | 4RBL | Commercial |
| 4TO | Townsville | AM | retransmission of 4TOO | Commercial |
| 4TOF | Cunnamulla | FM | retransmission of 4RR | Community |