Home Postcode finder SA Hillier Hillier postcode SA Hillier is a locality in South Australia covered by postcode 5116. Postcode 5116 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Hillier business listing More business listings in Hillier Businesses in HillierAlltype Specialised CoatingsLot 6 Pearson Rd · 0885226811 Common questionsWhat is the postcode for Hillier?Hillier, SA has the postcode 5116.What state is Hillier in?Hillier is in South Australia (SA).Does postcode 5116 cover more than one suburb?Yes. Postcode 5116 covers 5 localities, so the postcode alone does not identify Hillier. Browse other postcodes in South Australia, or widen the search to every Australian postcode.