Home Postcode finder SA Glenelg South Glenelg South postcode SA Glenelg South is a locality in South Australia covered by postcode 5045. Postcode 5045 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Glenelg South business listing Be the first listing in Glenelg South Common questionsWhat is the postcode for Glenelg South?Glenelg South, SA has the postcode 5045.What state is Glenelg South in?Glenelg South is in South Australia (SA).Does postcode 5045 cover more than one suburb?Yes. Postcode 5045 covers 5 localities, so the postcode alone does not identify Glenelg South. Browse other postcodes in South Australia, or widen the search to every Australian postcode.