Home Postcode finder WA Collingwood Park Collingwood Park postcode WA Collingwood Park 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 Park business listing Be the first listing in Collingwood Park Common questionsWhat is the postcode for Collingwood Park?Collingwood Park, WA has the postcode 6330.What state is Collingwood Park in?Collingwood Park 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 Park. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.