Home Postcode finder WA Stratton Stratton postcode WA Stratton is a locality in Western Australia covered by postcode 6056. Postcode 6056 State or territory Western Australia (WA) Region North West Suburbs Add a free Stratton business listing More business listings in Stratton Businesses in StrattonMiddle Swan Primary SchoolLot 574 Cockman Crss · 08 92507909 Common questionsWhat is the postcode for Stratton?Stratton, WA has the postcode 6056.What state is Stratton in?Stratton is in Western Australia (WA).Does postcode 6056 cover more than one suburb?Yes. Postcode 6056 covers 17 localities, so the postcode alone does not identify Stratton. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.