Home Postcode finder WA Ennuin Ennuin postcode WA Ennuin is a locality in Western Australia covered by postcode 6484. Postcode 6484 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Ennuin business listing Be the first listing in Ennuin Common questionsWhat is the postcode for Ennuin?Ennuin, WA has the postcode 6484.What state is Ennuin in?Ennuin is in Western Australia (WA).Does postcode 6484 cover more than one suburb?Yes. Postcode 6484 covers 3 localities, so the postcode alone does not identify Ennuin. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.