Home Postcode finder QLD Cardwell Cardwell postcode QLD Cardwell is a locality in Queensland covered by postcode 4849. Postcode 4849 State or territory Queensland (QLD) Region North QLD Add a free Cardwell business listing More business listings in Cardwell Businesses in CardwellCardwell State School43 Victoria St · 07 40668663 Common questionsWhat is the postcode for Cardwell?Cardwell, QLD has the postcode 4849.What state is Cardwell in?Cardwell is in Queensland (QLD).Does postcode 4849 cover more than one suburb?Yes. Postcode 4849 covers 5 localities, so the postcode alone does not identify Cardwell. Browse other postcodes in Queensland, or widen the search to every Australian postcode.