Home Postcode finder SA Marion Marion postcode SA Marion is a locality in South Australia covered by postcode 5043. Postcode 5043 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Marion business listing More business listings in Marion Businesses in MarionAP Electricals764 Marion Rd, Marion SA, Australia · 1300479421Bupa MarionShop 1038, Westfield Marion, 297 Diagonal Rd, Oaklands Park SA 5046 · 1862 812 535Dentists AdelaideWestfield Shopping Town · (08) 8296 0988 Common questionsWhat is the postcode for Marion?Marion, SA has the postcode 5043.What state is Marion in?Marion is in South Australia (SA).Does postcode 5043 cover more than one suburb?Yes. Postcode 5043 covers 5 localities, so the postcode alone does not identify Marion. Browse other postcodes in South Australia, or widen the search to every Australian postcode.