Home Postcode finder WA Champion Lakes Champion Lakes postcode WA Champion Lakes is a locality in Western Australia covered by postcode 6111. Postcode 6111 State or territory Western Australia (WA) Region North West Suburbs Add a free Champion Lakes business listing More business listings in Champion Lakes Businesses in Champion LakesAussie Earthworks10 Gertrude Ave · 08-9399-5884Kelmscott John Calvin School322 Lake Rd · 08 93906256 Common questionsWhat is the postcode for Champion Lakes?Champion Lakes, WA has the postcode 6111.What state is Champion Lakes in?Champion Lakes is in Western Australia (WA).Does postcode 6111 cover more than one suburb?Yes. Postcode 6111 covers 8 localities, so the postcode alone does not identify Champion Lakes. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.