Home Postcode finder SA Paratoo Paratoo postcode SA Paratoo is a locality in South Australia covered by postcode 5422. Postcode 5422 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Paratoo business listing Be the first listing in Paratoo Common questionsWhat is the postcode for Paratoo?Paratoo, SA has the postcode 5422.What state is Paratoo in?Paratoo is in South Australia (SA).Does postcode 5422 cover more than one suburb?Yes. Postcode 5422 covers 13 localities, so the postcode alone does not identify Paratoo. Browse other postcodes in South Australia, or widen the search to every Australian postcode.