Home Postcodes by state WA Dunn Rock Dunn Rock postcode WA Dunn Rock is a locality in Western Australia covered by postcode 6355. Postcode 6355 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Council area Lake Grace Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Dunn Rock business listing Be the first listing in Dunn Rock Suburbs near Dunn RockStraight-line distance between locality centres.West RiverWA 6346 · 13.0 km Also in postcode 6355East NewdegateWA 6355Holt RockWA 6355Lake BiddyWA 6355Lake CammWA 6355Little ItalyWA 6355MagentaWA 6355Mount SheridanWA 6355NewdegateWA 6355South NewdegateWA 6355VarleyWA 6355 Common questionsWhat is the postcode for Dunn Rock?Dunn Rock, WA has the postcode 6355.What state is Dunn Rock in?Dunn Rock is in Western Australia (WA).What council is Dunn Rock in?Dunn Rock is in the Lake Grace local government area.Does postcode 6355 cover more than one suburb?Yes. Postcode 6355 covers 11 localities, so the postcode alone does not identify Dunn Rock.What suburbs are near Dunn Rock?The closest are West River (13.0 km). Distances are straight lines between locality centres. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.