Home Postcode finder QLD Low Isles Low Isles postcode QLD Low Isles is a locality in Queensland covered by postcode 4873. Postcode 4873 State or territory Queensland (QLD) Region North QLD Add a free Low Isles business listing Be the first listing in Low Isles Common questionsWhat is the postcode for Low Isles?Low Isles, QLD has the postcode 4873.What state is Low Isles in?Low Isles 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 Low Isles. Browse other postcodes in Queensland, or widen the search to every Australian postcode.