Home Postcode finder WA Muradup Muradup postcode WA Muradup is a locality in Western Australia covered by postcode 6394. Postcode 6394 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Muradup business listing Be the first listing in Muradup Common questionsWhat is the postcode for Muradup?Muradup, WA has the postcode 6394.What state is Muradup in?Muradup is in Western Australia (WA).Does postcode 6394 cover more than one suburb?Yes. Postcode 6394 covers 8 localities, so the postcode alone does not identify Muradup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.