Home Postcodes by state WA 6447 Postcode 6447 6447 is the postcode for 4 localities in WA: Lort River, Mount Ney, Scaddan and Wittenoom Hills. Localities with postcode 6447Lort RiverWAMount NeyWAScaddanWAWittenoom HillsWA Postcode 6447 State or territory Western Australia (WA) Localities 4 Council area Esperance Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6446 · Postcode 6448