Home Postcode finder SA Lower Broughton Lower Broughton postcode SA Lower Broughton is a locality in South Australia covered by postcode 5522. Postcode 5522 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Lower Broughton business listing Be the first listing in Lower Broughton Common questionsWhat is the postcode for Lower Broughton?Lower Broughton, SA has the postcode 5522.What state is Lower Broughton in?Lower Broughton is in South Australia (SA).Does postcode 5522 cover more than one suburb?Yes. Postcode 5522 covers 4 localities, so the postcode alone does not identify Lower Broughton. Browse other postcodes in South Australia, or widen the search to every Australian postcode.