Home Postcode finder WA Dryandra Dryandra postcode WA Dryandra 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 Dryandra business listing Be the first listing in Dryandra Common questionsWhat is the postcode for Dryandra?Dryandra, WA has the postcode 6311.What state is Dryandra in?Dryandra 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 Dryandra. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.