List of radio station callsigns in Queensland Defunct Callsigns Defunct Callsigns

| Callsign | Area_served | Band | Freq_currently | Purpose |
|---|---|---|---|---|
| 4AT | Atherton | AM | 4AT (National) | Commercial |
| 4AY | Ayr / Townsville | AM | see 4RR | Commercial |
| 4BCB | Blackwater | FM | silent | Community |
| 4BK | Brisbane | AM | 4RPH | Commercial |
| 4CA | Cairns | AM | 4EL | Commercial |
| 4CD | Gladstone | AM | 4CC | Commercial |
| 4EB | Brisbane | AM | Rete Italia (HPON) | Community |
| 4EEE | Emerald | FM | silent | Community |
| 4GG | Gold Coast | AM | 4BI ( Brisbane ) | Commercial |
| 4GGG | Gold Coast | FM | 4GLD | Commercial |
| 4IO | Brisbane | AM | see 4IP | Commercial |
| 4IP | Ipswich / Brisbane | AM | 4TAB | Commercial |
| 4MB | Maryborough | AM | 4FC | Commercial |
| 4MI | Mount Isa | AM | silent | National |
| 4MK | Mackay | AM | 4AA | Commercial |
| 4NA | Nambour | AM | see 4SS | Commercial |