Home Postcode finder WA Wardering Wardering postcode WA Wardering is a locality in Western Australia covered by postcode 6311. Postcode 6311 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Wardering business listing Be the first listing in Wardering Common questionsWhat is the postcode for Wardering?Wardering, WA has the postcode 6311.What state is Wardering in?Wardering is in Western Australia (WA).Does postcode 6311 cover more than one suburb?Yes. Postcode 6311 covers 8 localities, so the postcode alone does not identify Wardering. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.