Home Postcodes by state WA 6479 Postcode 6479 6479 is the postcode for 9 localities in WA: Barbalin, Bonnie Rock, Dandanning, Elachbutting, Karloning, Lake Brown and 3 more. Localities with postcode 6479BarbalinWABonnie RockWADandanningWAElachbuttingWAKarloningWALake BrownWAMukinbudinWAWattoningWAWilgoyneWA Postcode 6479 State or territory Western Australia (WA) Localities 9 Council area Mukinbudin; Westonia Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6477 · Postcode 6480