Home Postcode finder QLD South End South End postcode QLD South End is a locality in Queensland covered by postcode 4680. Postcode 4680 State or territory Queensland (QLD) Region Central QLD Add a free South End business listing Be the first listing in South End Common questionsWhat is the postcode for South End?South End, QLD has the postcode 4680.What state is South End in?South End is in Queensland (QLD).Does postcode 4680 cover more than one suburb?Yes. Postcode 4680 covers 41 localities, so the postcode alone does not identify South End. Browse other postcodes in Queensland, or widen the search to every Australian postcode.