Home Postcodes by state WA 6180 Postcode 6180 6180 is the postcode for 2 localities in WA: Lakelands and Parklands. Localities with postcode 6180LakelandsWAParklandsWA Postcode 6180 State or territory Western Australia (WA) Localities 2 Council area Mandurah Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6176 · Postcode 6181