Home Postcode finder WA Sturt Creek Sturt Creek postcode WA Sturt Creek is a locality in Western Australia covered by postcode 6770. Postcode 6770 State or territory Western Australia (WA) Region North West Suburbs Add a free Sturt Creek business listing Be the first listing in Sturt Creek Common questionsWhat is the postcode for Sturt Creek?Sturt Creek, WA has the postcode 6770.What state is Sturt Creek in?Sturt Creek is in Western Australia (WA).Does postcode 6770 cover more than one suburb?Yes. Postcode 6770 covers 7 localities, so the postcode alone does not identify Sturt Creek. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.