| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Macquarie Heads | Tasmania | TAS | 7468 |
| Macquarie Island | Tasmania | TAS | 7151 |
| Macquarie Plains | Tasmania | TAS | 7140 |
| Magra | Tasmania | TAS | 7140 |
| Malbina | Tasmania | TAS | 7140 |
| Mangalore | Tasmania | TAS | 7030 |
| Mangana | Tasmania | TAS | 7214 |
| Margate | Tasmania | TAS | 7054 |
| Marion Bay | Tasmania | TAS | 7175 |
| Marrawah | Tasmania | TAS | 7330 |
| Mathinna | Tasmania | TAS | 7214 |
| Mawbanna | Tasmania | TAS | 7321 |
| Mawson, Australian Antarctic Territory | Tasmania | TAS | 7151 |
| Mayberry | Tasmania | TAS | 7304 |
| Maydena | Tasmania | TAS | 7140 |
| Mayfield | Tasmania | TAS | 7248 |
| Meadowbank | Tasmania | TAS | 7140 |
| Meander | Tasmania | TAS | 7304 |
| Mella | Tasmania | TAS | 7330 |
| Melrose | Tasmania | TAS | 7310 |
