Home Postcodes by state WA Cossack Cossack postcode WA Cossack is a locality in Western Australia covered by postcode 6720. Postcode 6720 State or territory Western Australia (WA) Region North West Suburbs Council area Karratha Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Cossack business listing Be the first listing in Cossack Suburbs near CossackStraight-line distance between locality centres.WickhamWA 6720 · 4.9 kmPoint SamsonWA 6720 · 5.6 kmRoebourneWA 6718 · 10.9 kmAntonymyreWA 6714 · 11.3 kmMount AnketellWA 6714 · 16.3 kmCleavervilleWA 6714 · 18.1 km Also in postcode 6720Point SamsonWA 6720WickhamWA 6720 Other places called CossackCossackNT 0850 Common questionsWhat is the postcode for Cossack?Cossack, WA has the postcode 6720.What state is Cossack in?Cossack is in Western Australia (WA).What council is Cossack in?Cossack is in the Karratha local government area.Does postcode 6720 cover more than one suburb?Yes. Postcode 6720 covers 3 localities, so the postcode alone does not identify Cossack.What suburbs are near Cossack?The closest are Wickham (4.9 km), Point Samson (5.6 km), Roebourne (10.9 km), Antonymyre (11.3 km) and Mount Anketell (16.3 km). Distances are straight lines between locality centres. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.