Home Postcode finder QLD Silkwood East Silkwood East postcode QLD Silkwood East is a locality in Queensland covered by postcode 4857. Postcode 4857 State or territory Queensland (QLD) Region North QLD Add a free Silkwood East business listing Be the first listing in Silkwood East Common questionsWhat is the postcode for Silkwood East?Silkwood East, QLD has the postcode 4857.What state is Silkwood East in?Silkwood East is in Queensland (QLD).Does postcode 4857 cover more than one suburb?No. Postcode 4857 covers Silkwood East only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.