Home Postcode finder WA Boorara Boorara postcode WA Boorara is a locality in Western Australia covered by postcode 6431. Postcode 6431 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Boorara business listing Be the first listing in Boorara Common questionsWhat is the postcode for Boorara?Boorara, WA has the postcode 6431.What state is Boorara in?Boorara is in Western Australia (WA).Does postcode 6431 cover more than one suburb?Yes. Postcode 6431 covers 13 localities, so the postcode alone does not identify Boorara. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.