Home Postcode finder WA Lesley Lesley postcode WA Lesley 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 Lesley business listing Be the first listing in Lesley Common questionsWhat is the postcode for Lesley?Lesley, WA has the postcode 6111.What state is Lesley in?Lesley 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 Lesley. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.