Home Postcode finder SA Milang Milang postcode SA Milang is a locality in South Australia covered by postcode 5256. Postcode 5256 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Milang business listing More business listings in Milang Businesses in MilangEastern Fleurieu R-12 School50 Coxe St · 08 85370223 Common questionsWhat is the postcode for Milang?Milang, SA has the postcode 5256.What state is Milang in?Milang is in South Australia (SA).Does postcode 5256 cover more than one suburb?Yes. Postcode 5256 covers 5 localities, so the postcode alone does not identify Milang. Browse other postcodes in South Australia, or widen the search to every Australian postcode.