Home Postcodes by state WA Wallaroo Wallaroo postcode WA Wallaroo is a locality in Western Australia covered by postcode 6429. Postcode 6429 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Council area Coolgardie Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Wallaroo business listing Be the first listing in Wallaroo Also in postcode 6429BoorabbinWA 6429BullabullingWA 6429CoolgardieWA 6429KarramindieWA 6429LondonderryWA 6429Mount BurgesWA 6429Victoria RockWA 6429 Other places called WallarooWallarooNSW 2618WallarooQLD 4702WallarooSA 5556 Common questionsWhat is the postcode for Wallaroo?Wallaroo, WA has the postcode 6429.What state is Wallaroo in?Wallaroo is in Western Australia (WA).What council is Wallaroo in?Wallaroo is in the Coolgardie local government area.Does postcode 6429 cover more than one suburb?Yes. Postcode 6429 covers 8 localities, so the postcode alone does not identify Wallaroo. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.