Home Postcode finder WA Clifton Clifton postcode WA Clifton is a locality in Western Australia covered by postcode 6211. Postcode 6211 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Clifton business listing Be the first listing in Clifton Common questionsWhat is the postcode for Clifton?Clifton, WA has the postcode 6211.What state is Clifton in?Clifton is in Western Australia (WA).Does postcode 6211 cover more than one suburb?Yes. Postcode 6211 covers 4 localities, so the postcode alone does not identify Clifton. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.