Home Postcode finder WA Watheroo Watheroo postcode WA Watheroo is a locality in Western Australia covered by postcode 6513. Postcode 6513 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Watheroo business listing More business listings in Watheroo Businesses in WatherooWatheroo Primary SchoolCnr York And Marah Streets · 08 96517038 Common questionsWhat is the postcode for Watheroo?Watheroo, WA has the postcode 6513.What state is Watheroo in?Watheroo is in Western Australia (WA).Does postcode 6513 cover more than one suburb?Yes. Postcode 6513 covers 2 localities, so the postcode alone does not identify Watheroo. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.