Home Postcode finder VIC Darling South Darling South postcode VIC Darling South is a locality in Victoria covered by postcode 3145. Postcode 3145 State or territory Victoria (VIC) Region Mulgrave Add a free Darling South business listing Be the first listing in Darling South Common questionsWhat is the postcode for Darling South?Darling South, VIC has the postcode 3145.What state is Darling South in?Darling South is in Victoria (VIC).Does postcode 3145 cover more than one suburb?Yes. Postcode 3145 covers 6 localities, so the postcode alone does not identify Darling South. Browse other postcodes in Victoria, or widen the search to every Australian postcode.