Home Postcode finder WA Muckenburra Muckenburra postcode WA Muckenburra is a locality in Western Australia covered by postcode 6503. Postcode 6503 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Muckenburra business listing Be the first listing in Muckenburra Common questionsWhat is the postcode for Muckenburra?Muckenburra, WA has the postcode 6503.What state is Muckenburra in?Muckenburra is in Western Australia (WA).Does postcode 6503 cover more than one suburb?Yes. Postcode 6503 covers 20 localities, so the postcode alone does not identify Muckenburra. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.