Home Postcode finder WA Breera Breera postcode WA Breera is a locality in Western Australia covered by postcode 6503. Postcode 6503 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Breera business listing Be the first listing in Breera Common questionsWhat is the postcode for Breera?Breera, WA has the postcode 6503.What state is Breera in?Breera is in Western Australia (WA).Does postcode 6503 cover more than one suburb?Yes. Postcode 6503 covers 20 localities, so the postcode alone does not identify Breera. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.