Home Postcode finder WA Buller Buller postcode WA Buller is a locality in Western Australia covered by postcode 6532. Postcode 6532 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Buller business listing Be the first listing in Buller Common questionsWhat is the postcode for Buller?Buller, WA has the postcode 6532.What state is Buller in?Buller is in Western Australia (WA).Does postcode 6532 cover more than one suburb?Yes. Postcode 6532 covers 59 localities, so the postcode alone does not identify Buller. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.