Home Postcodes by state WA 6016 Postcode 6016 6016 is the postcode for 2 localities in WA: Glendalough and Mount Hawthorn. Localities with postcode 6016GlendaloughWAMount HawthornWA Postcode 6016 State or territory Western Australia (WA) Localities 2 Council area Stirling; Vincent Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6015 · Postcode 6017