Home Postcode finder WA Morangup Morangup postcode WA Morangup is a locality in Western Australia covered by postcode 6083. Postcode 6083 State or territory Western Australia (WA) Region North West Suburbs Add a free Morangup business listing Be the first listing in Morangup Common questionsWhat is the postcode for Morangup?Morangup, WA has the postcode 6083.What state is Morangup in?Morangup is in Western Australia (WA).Does postcode 6083 cover more than one suburb?Yes. Postcode 6083 covers 2 localities, so the postcode alone does not identify Morangup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.