Home Postcode finder WA Moresby Moresby postcode WA Moresby is a locality in Western Australia covered by postcode 6530. Postcode 6530 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Moresby business listing Be the first listing in Moresby Common questionsWhat is the postcode for Moresby?Moresby, WA has the postcode 6530.What state is Moresby in?Moresby is in Western Australia (WA).Does postcode 6530 cover more than one suburb?Yes. Postcode 6530 covers 22 localities, so the postcode alone does not identify Moresby. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.