Home Postcode finder WA Wedge Island Wedge Island postcode WA Wedge Island is a locality in Western Australia covered by postcode 6044. Postcode 6044 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Wedge Island business listing Be the first listing in Wedge Island Common questionsWhat is the postcode for Wedge Island?Wedge Island, WA has the postcode 6044.What state is Wedge Island in?Wedge Island is in Western Australia (WA).Does postcode 6044 cover more than one suburb?Yes. Postcode 6044 covers 4 localities, so the postcode alone does not identify Wedge Island. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.