Home Postcode finder WA Mount Lindesay Mount Lindesay postcode WA Mount Lindesay is a locality in Western Australia covered by postcode 6333. Postcode 6333 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Mount Lindesay business listing Be the first listing in Mount Lindesay Common questionsWhat is the postcode for Mount Lindesay?Mount Lindesay, WA has the postcode 6333.What state is Mount Lindesay in?Mount Lindesay is in Western Australia (WA).Does postcode 6333 cover more than one suburb?Yes. Postcode 6333 covers 17 localities, so the postcode alone does not identify Mount Lindesay. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.