Home Postcode finder WA Rockwell Rockwell postcode WA Rockwell 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 Rockwell business listing Be the first listing in Rockwell Common questionsWhat is the postcode for Rockwell?Rockwell, WA has the postcode 6532.What state is Rockwell in?Rockwell 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 Rockwell. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.