Home Postcode finder WA Burracoppin Burracoppin postcode WA Burracoppin is a locality in Western Australia covered by postcode 6421. Postcode 6421 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Burracoppin business listing Be the first listing in Burracoppin Common questionsWhat is the postcode for Burracoppin?Burracoppin, WA has the postcode 6421.What state is Burracoppin in?Burracoppin is in Western Australia (WA).Does postcode 6421 cover more than one suburb?Yes. Postcode 6421 covers 3 localities, so the postcode alone does not identify Burracoppin. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.