Postcode 6429 This postcode covers more than one locality. Which one are you after? Bullabulling Western Australia LGA: Coolgardie Boorabbin Western Australia LGA: Coolgardie Coolgardie (WA) Western Australia LGA: Coolgardie Karramindie Western Australia LGA: Coolgardie Mount Burges Western Australia LGA: Coolgardie Victoria Rock Western Australia LGA: Coolgardie