Home Postcode finder QLD Calgoa Calgoa postcode QLD Calgoa is a locality in Queensland covered by postcode 4570. Postcode 4570 State or territory Queensland (QLD) Region Sunshine Coast Add a free Calgoa business listing Be the first listing in Calgoa Common questionsWhat is the postcode for Calgoa?Calgoa, QLD has the postcode 4570.What state is Calgoa in?Calgoa is in Queensland (QLD).Does postcode 4570 cover more than one suburb?Yes. Postcode 4570 covers 85 localities, so the postcode alone does not identify Calgoa. Browse other postcodes in Queensland, or widen the search to every Australian postcode.