Home Postcode finder QLD Almaden Almaden postcode QLD Almaden is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Almaden business listing Be the first listing in Almaden Common questionsWhat is the postcode for Almaden?Almaden, QLD has the postcode 4871.What state is Almaden in?Almaden is in Queensland (QLD).Does postcode 4871 cover more than one suburb?Yes. Postcode 4871 covers 103 localities, so the postcode alone does not identify Almaden. Browse other postcodes in Queensland, or widen the search to every Australian postcode.