Home Postcode finder WA Collingwood Heights Collingwood Heights postcode WA Collingwood Heights is a locality in Western Australia covered by postcode 6330. Postcode 6330 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Collingwood Heights business listing Be the first listing in Collingwood Heights Common questionsWhat is the postcode for Collingwood Heights?Collingwood Heights, WA has the postcode 6330.What state is Collingwood Heights in?Collingwood Heights is in Western Australia (WA).Does postcode 6330 cover more than one suburb?Yes. Postcode 6330 covers 50 localities, so the postcode alone does not identify Collingwood Heights. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.