Home Postcode finder QLD Dedin Dedin postcode QLD Dedin is a locality in Queensland covered by postcode 4873. Postcode 4873 State or territory Queensland (QLD) Region North QLD Add a free Dedin business listing Be the first listing in Dedin Common questionsWhat is the postcode for Dedin?Dedin, QLD has the postcode 4873.What state is Dedin in?Dedin is in Queensland (QLD).Does postcode 4873 cover more than one suburb?Yes. Postcode 4873 covers 29 localities, so the postcode alone does not identify Dedin. Browse other postcodes in Queensland, or widen the search to every Australian postcode.