Home Postcode finder QLD Upper Barron Upper Barron postcode QLD Upper Barron is a locality in Queensland covered by postcode 4883. Postcode 4883 State or territory Queensland (QLD) Region North QLD Add a free Upper Barron business listing Be the first listing in Upper Barron Common questionsWhat is the postcode for Upper Barron?Upper Barron, QLD has the postcode 4883.What state is Upper Barron in?Upper Barron is in Queensland (QLD).Does postcode 4883 cover more than one suburb?Yes. Postcode 4883 covers 5 localities, so the postcode alone does not identify Upper Barron. Browse other postcodes in Queensland, or widen the search to every Australian postcode.