Home Postcode finder WA Baskerville Baskerville postcode WA Baskerville 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 Baskerville business listing Be the first listing in Baskerville Common questionsWhat is the postcode for Baskerville?Baskerville, WA has the postcode 6056.What state is Baskerville in?Baskerville 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 Baskerville. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.