Home Postcode finder SA Millicent Millicent postcode SA Millicent is a locality in South Australia covered by postcode 5280. Postcode 5280 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Millicent business listing More business listings in Millicent Businesses in MillicentBlackbird Industries42 Saleyards Rd · (08) 8733 4661Millicent High SchoolMt Burr Rd · 08 87332400Millicent North Primary SchoolSecond St · 08 87332555 Common questionsWhat is the postcode for Millicent?Millicent, SA has the postcode 5280.What state is Millicent in?Millicent is in South Australia (SA).Does postcode 5280 cover more than one suburb?Yes. Postcode 5280 covers 16 localities, so the postcode alone does not identify Millicent. Browse other postcodes in South Australia, or widen the search to every Australian postcode.