Home Postcodes by state WA 6081 Postcode 6081 6081 is the postcode for 2 localities in WA: Parkerville and Stoneville. Localities with postcode 6081ParkervilleWAStonevilleWA Postcode 6081 State or territory Western Australia (WA) Localities 2 Council area Mundaring Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6079 · Postcode 6082