Home Postcode finder SA Edwardstown Edwardstown postcode SA Edwardstown is a locality in South Australia covered by postcode 5039. Postcode 5039 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Edwardstown business listing More business listings in Edwardstown Businesses in EdwardstownAdelaide Automotive PL23 Conmurra Ave · 0414999605Adelaide Coachlines42 Dumbarton Avenue · 08 8293 2107Adelaide Detailing Garage7 Erudina Ave, Edwardstown SA 5039, Australia · 0435 453 666 Common questionsWhat is the postcode for Edwardstown?Edwardstown, SA has the postcode 5039.What state is Edwardstown in?Edwardstown is in South Australia (SA).Does postcode 5039 cover more than one suburb?Yes. Postcode 5039 covers 3 localities, so the postcode alone does not identify Edwardstown. Browse other postcodes in South Australia, or widen the search to every Australian postcode.