Home Postcode finder WA Scaddan Scaddan postcode WA Scaddan is a locality in Western Australia covered by postcode 6447. Postcode 6447 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Scaddan business listing More business listings in Scaddan Businesses in ScaddanScaddan Primary SchoolKendall Rd · 08 90756055 Common questionsWhat is the postcode for Scaddan?Scaddan, WA has the postcode 6447.What state is Scaddan in?Scaddan is in Western Australia (WA).Does postcode 6447 cover more than one suburb?Yes. Postcode 6447 covers 4 localities, so the postcode alone does not identify Scaddan. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.