Home Postcode finder SA Onkaparinga Hills Onkaparinga Hills postcode SA Onkaparinga Hills is a locality in South Australia covered by postcode 5163. Postcode 5163 State or territory South Australia (SA) Region Adelaide Add a free Onkaparinga Hills business listing More business listings in Onkaparinga Hills Businesses in Onkaparinga HillsBest Price Roof Restoration Adelaide48 Foxfield Dr, Onkaparinga Hills SA 5163, Australia · 0412 266 826 Common questionsWhat is the postcode for Onkaparinga Hills?Onkaparinga Hills, SA has the postcode 5163.What state is Onkaparinga Hills in?Onkaparinga Hills is in South Australia (SA).Does postcode 5163 cover more than one suburb?Yes. Postcode 5163 covers 4 localities, so the postcode alone does not identify Onkaparinga Hills. Browse other postcodes in South Australia, or widen the search to every Australian postcode.