Home Postcode finder QLD Carruchan Carruchan postcode QLD Carruchan is a locality in Queensland covered by postcode 4816. Postcode 4816 State or territory Queensland (QLD) Region North QLD Add a free Carruchan business listing Be the first listing in Carruchan Common questionsWhat is the postcode for Carruchan?Carruchan, QLD has the postcode 4816.What state is Carruchan in?Carruchan is in Queensland (QLD).Does postcode 4816 cover more than one suburb?Yes. Postcode 4816 covers 40 localities, so the postcode alone does not identify Carruchan. Browse other postcodes in Queensland, or widen the search to every Australian postcode.