Home Postcode finder WA Waroona Waroona postcode WA Waroona is a locality in Western Australia covered by postcode 6215. Postcode 6215 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Waroona business listing More business listings in Waroona Businesses in WaroonaPinjarra Bakery (Waroona)36 South Western Highway, Waroona WA, Australia · (08) 9733 2278St Joseph's SchoolMillar St · 08 97331495Waroona District High SchoolMillar St · 08 97337000 Common questionsWhat is the postcode for Waroona?Waroona, WA has the postcode 6215.What state is Waroona in?Waroona is in Western Australia (WA).Does postcode 6215 cover more than one suburb?Yes. Postcode 6215 covers 6 localities, so the postcode alone does not identify Waroona. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.