Home Postcode finder QLD Sadliers Crossing Sadliers Crossing postcode QLD Sadliers Crossing is a locality in Queensland covered by postcode 4305. Postcode 4305 State or territory Queensland (QLD) Region Western Suburbs Add a free Sadliers Crossing business listing Be the first listing in Sadliers Crossing Common questionsWhat is the postcode for Sadliers Crossing?Sadliers Crossing, QLD has the postcode 4305.What state is Sadliers Crossing in?Sadliers Crossing is in Queensland (QLD).Does postcode 4305 cover more than one suburb?Yes. Postcode 4305 covers 23 localities, so the postcode alone does not identify Sadliers Crossing. Browse other postcodes in Queensland, or widen the search to every Australian postcode.