Home Postcode finder QLD Wateranga Wateranga postcode QLD Wateranga is a locality in Queensland covered by postcode 4621. Postcode 4621 State or territory Queensland (QLD) Region Sunshine Coast Add a free Wateranga business listing Be the first listing in Wateranga Common questionsWhat is the postcode for Wateranga?Wateranga, QLD has the postcode 4621.What state is Wateranga in?Wateranga is in Queensland (QLD).Does postcode 4621 cover more than one suburb?Yes. Postcode 4621 covers 11 localities, so the postcode alone does not identify Wateranga. Browse other postcodes in Queensland, or widen the search to every Australian postcode.