Home Postcode finder WA Barberton Barberton postcode WA Barberton is a locality in Western Australia covered by postcode 6510. Postcode 6510 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Barberton business listing Be the first listing in Barberton Common questionsWhat is the postcode for Barberton?Barberton, WA has the postcode 6510.What state is Barberton in?Barberton is in Western Australia (WA).Does postcode 6510 cover more than one suburb?Yes. Postcode 6510 covers 6 localities, so the postcode alone does not identify Barberton. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.