| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Nabageena | Tasmania | TAS | 7330 |
| Nabowla | Tasmania | TAS | 7260 |
| Naracoopa, King Island | Tasmania | TAS | 7256 |
| National Park | Tasmania | TAS | 7140 |
| Natone | Tasmania | TAS | 7321 |
| Needles | Tasmania | TAS | 7304 |
| Neika | Tasmania | TAS | 7054 |
| Nelson Bay | Tasmania | TAS | 7330 |
| New Norfolk | Tasmania | TAS | 7140 |
| New Town | Tasmania | TAS | 7008 |
| Newnham | Tasmania | TAS | 7248 |
| Newstead | Tasmania | TAS | 7250 |
| Nicholls Rivulet | Tasmania | TAS | 7112 |
| Nietta | Tasmania | TAS | 7315 |
| Nile | Tasmania | TAS | 7212 |
| Nook | Tasmania | TAS | 7306 |
| North Bruny | Tasmania | TAS | 7150 |
| North Hobart | Tasmania | TAS | 7000 |
| North Hobart, PO Boxes | Tasmania | TAS | 7002 |
| North Lilydale | Tasmania | TAS | 7268 |
