Home Postcode finder SA Roseworthy Roseworthy postcode SA Roseworthy is a locality in South Australia covered by postcode 5371. Postcode 5371 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Roseworthy business listing More business listings in Roseworthy Businesses in RoseworthyRoseworthy Primary SchoolGartrell St · 08 85248032 Common questionsWhat is the postcode for Roseworthy?Roseworthy, SA has the postcode 5371.What state is Roseworthy in?Roseworthy is in South Australia (SA).Does postcode 5371 cover more than one suburb?Yes. Postcode 5371 covers 4 localities, so the postcode alone does not identify Roseworthy. Browse other postcodes in South Australia, or widen the search to every Australian postcode.