Home Postcode finder WA Redgate Redgate postcode WA Redgate is a locality in Western Australia covered by postcode 6286. Postcode 6286 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Redgate business listing Be the first listing in Redgate Common questionsWhat is the postcode for Redgate?Redgate, WA has the postcode 6286.What state is Redgate in?Redgate is in Western Australia (WA).Does postcode 6286 cover more than one suburb?Yes. Postcode 6286 covers 4 localities, so the postcode alone does not identify Redgate. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.