Home Postcode finder WA Hilbert Hilbert postcode WA Hilbert is a locality in Western Australia covered by postcode 6112. Postcode 6112 State or territory Western Australia (WA) Region North West Suburbs Add a free Hilbert business listing Be the first listing in Hilbert Common questionsWhat is the postcode for Hilbert?Hilbert, WA has the postcode 6112.What state is Hilbert in?Hilbert is in Western Australia (WA).Does postcode 6112 cover more than one suburb?Yes. Postcode 6112 covers 12 localities, so the postcode alone does not identify Hilbert. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.