Home Postcode finder QLD Bromelton Bromelton postcode QLD Bromelton is a locality in Queensland covered by postcode 4285. Postcode 4285 State or territory Queensland (QLD) Region Heathwood Add a free Bromelton business listing Be the first listing in Bromelton Common questionsWhat is the postcode for Bromelton?Bromelton, QLD has the postcode 4285.What state is Bromelton in?Bromelton is in Queensland (QLD).Does postcode 4285 cover more than one suburb?Yes. Postcode 4285 covers 33 localities, so the postcode alone does not identify Bromelton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.