| Place | Postal Code |
|---|---|
| Barkly, Mount Isa | 4825 |
| Breakaway, Mount Isa | 4825 |
| Camooweal, Mount Isa | 4828 |
| Fisher, Mount Isa | 4825 |
| Gregory, Mount Isa | 4830 |
| Gunpowder, Mount Isa | 4825 |
| Happy Valley, Mount Isa | 4825 |
| Healy, Mount Isa | 4825 |
| Kalkadoon, Mount Isa | 4825 |
| Lanskey, Mount Isa | 4825 |
| Menzies, Mount Isa | 4825 |
| Mica Creek, Mount Isa | 4825 |
| Miles End, Mount Isa | 4825 |
| Mornington, Mount Isa | 4825 |
| Mount Isa, Mount Isa | 4825 |
| Mount Isa City, Mount Isa | 4825 |
| Mount Isa East, Mount Isa | 4825 |
| Parkside, Mount Isa | 4825 |
| Pioneer, Mount Isa | 4825 |
| Ryan, Mount Isa | 4825 |
| Soldiers Hill, Mount Isa | 4825 |
| Spreadborough, Mount Isa | 4825 |
| Sunset, Mount Isa | 4825 |
| The Gap, Mount Isa | 4825 |
| Townview, Mount Isa | 4825 |
| Winston, Mount Isa | 4825 |