| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Kardella | Victoria | VIC | 3951 |
| Kardella South | Victoria | VIC | 3950 |
| Kariah | Victoria | VIC | 3260 |
| Karingal Centre, PO Boxes | Victoria | VIC | 3199 |
| Karnak | Victoria | VIC | 3401 |
| Karramomus | Victoria | VIC | 3631 |
| Karyrie | Victoria | VIC | 3483 |
| Katamatite | Victoria | VIC | 3649 |
| Katamatite East | Victoria | VIC | 3649 |
| Katandra | Victoria | VIC | 3634 |
| Katandra West | Victoria | VIC | 3634 |
| Katunga | Victoria | VIC | 3640 |
| Kawarren | Victoria | VIC | 3249 |
| Kealba | Victoria | VIC | 3021 |
| Keely | Victoria | VIC | 3568 |
| Keilor | Victoria | VIC | 3036 |
| Keilor Downs | Victoria | VIC | 3038 |
| Keilor East | Victoria | VIC | 3033 |
| Keilor Lodge | Victoria | VIC | 3038 |
| Keilor North | Victoria | VIC | 3036 |
