Home Postcode finder QLD Riverleigh Riverleigh postcode QLD Riverleigh is a locality in Queensland covered by postcode 4626. Postcode 4626 State or territory Queensland (QLD) Region Sunshine Coast Add a free Riverleigh business listing Be the first listing in Riverleigh Common questionsWhat is the postcode for Riverleigh?Riverleigh, QLD has the postcode 4626.What state is Riverleigh in?Riverleigh is in Queensland (QLD).Does postcode 4626 cover more than one suburb?Yes. Postcode 4626 covers 17 localities, so the postcode alone does not identify Riverleigh. Browse other postcodes in Queensland, or widen the search to every Australian postcode.