| Place | Post Code |
|---|---|
| Oakenden, Mackay | 4741 |
| Ooralea, Mackay | 4740 |
| Orkabie, Mackay | 4741 |
| Owens Creek, Mackay | 4741 |
| Paget, Mackay | 4740 |
| Palmyra, Mackay | 4751 |
| Pindi Pindi, Mackay | 4798 |
| Pinevale, Mackay | 4754 |
| Pinnacle, Mackay | 4741 |
| Pleystowe, Mackay | 4741 |
| Racecourse, Mackay | 4740 |
| Richmond, Mackay | 4740 |
| Rosella, Mackay | 4740 |
| Rural View, Mackay | 4740 |
| Saint Helens Beach, Mackay | 4798 |
| Sandiford, Mackay | 4740 |
| Sarina, Mackay | 4737 |
| Sarina Beach, Mackay | 4737 |
| Sarina Range, Mackay | 4737 |
| Seaforth, Mackay | 4741 |
| Septimus, Mackay | 4754 |
| Shoal Point, Mackay | 4750 |
| Slade Point, Mackay | 4740 |
| South MacKay, Mackay | 4740 |
| Sunnyside, Mackay | 4737 |
| Te Kowai, Mackay | 4740 |