| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Kamona | Tasmania | TAS | 7260 |
| Kaoota | Tasmania | TAS | 7150 |
| Karanja | Tasmania | TAS | 7140 |
| Karoola | Tasmania | TAS | 7267 |
| Kayena | Tasmania | TAS | 7270 |
| Kellevie | Tasmania | TAS | 7176 |
| Kelso | Tasmania | TAS | 7270 |
| Kempton | Tasmania | TAS | 7030 |
| Kettering | Tasmania | TAS | 7155 |
| Killiecrankie | Tasmania | TAS | 7255 |
| Killora | Tasmania | TAS | 7150 |
| Kimberley | Tasmania | TAS | 7304 |
| Kindred | Tasmania | TAS | 7310 |
| Kings Meadows | Tasmania | TAS | 7249 |
| Kingston | Tasmania | TAS | 7050 |
| Kingston, PO Boxes | Tasmania | TAS | 7051 |
| Kingston Beach | Tasmania | TAS | 7050 |
| Koonya | Tasmania | TAS | 7187 |
