Home Postcodes by state WA Mills Lake Mills Lake postcode WA Mills Lake is a locality in Western Australia covered by postcode 6336. Postcode 6336 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Council area Gnowangerup Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Mills Lake business listing Be the first listing in Mills Lake Suburbs near Mills LakeStraight-line distance between locality centres.OngerupWA 6336 · 17.4 kmNeedilupWA 6336 · 19.8 km Also in postcode 6336CowalellupWA 6336MindarabinWA 6336NeedilupWA 6336OngerupWA 6336ToompupWA 6336 Common questionsWhat is the postcode for Mills Lake?Mills Lake, WA has the postcode 6336.What state is Mills Lake in?Mills Lake is in Western Australia (WA).What council is Mills Lake in?Mills Lake is in the Gnowangerup local government area.Does postcode 6336 cover more than one suburb?Yes. Postcode 6336 covers 6 localities, so the postcode alone does not identify Mills Lake.What suburbs are near Mills Lake?The closest are Ongerup (17.4 km) and Needilup (19.8 km). Distances are straight lines between locality centres. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.