Home Postcodes by state WA Mount Sheila Mount Sheila postcode WA Mount Sheila is a locality in Western Australia covered by postcode 6751. Postcode 6751 State or territory Western Australia (WA) Region North West Suburbs Council area Ashburton Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Mount Sheila business listing Be the first listing in Mount Sheila Also in postcode 6751ChichesterWA 6751InnawangaWA 6751Juna DownsWA 6751KarijiniWA 6751Mulga DownsWA 6751NanutarraWA 6751RockleaWA 6751Tom PriceWA 6751WittenoomWA 6751 Common questionsWhat is the postcode for Mount Sheila?Mount Sheila, WA has the postcode 6751.What state is Mount Sheila in?Mount Sheila is in Western Australia (WA).What council is Mount Sheila in?Mount Sheila is in the Ashburton local government area.Does postcode 6751 cover more than one suburb?Yes. Postcode 6751 covers 10 localities, so the postcode alone does not identify Mount Sheila. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.