Home Postcode finder WA Boallia Boallia postcode WA Boallia is a locality in Western Australia covered by postcode 6280. Postcode 6280 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Boallia business listing Be the first listing in Boallia Common questionsWhat is the postcode for Boallia?Boallia, WA has the postcode 6280.What state is Boallia in?Boallia is in Western Australia (WA).Does postcode 6280 cover more than one suburb?Yes. Postcode 6280 covers 34 localities, so the postcode alone does not identify Boallia. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.