Home Postcode finder SA Coonalpyn Coonalpyn postcode SA Coonalpyn is a locality in South Australia covered by postcode 5265. Postcode 5265 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Coonalpyn business listing More business listings in Coonalpyn Businesses in CoonalpynCoonalpyn Primary School4 Coombe Tce · 08 85711019 Common questionsWhat is the postcode for Coonalpyn?Coonalpyn, SA has the postcode 5265.What state is Coonalpyn in?Coonalpyn is in South Australia (SA).Does postcode 5265 cover more than one suburb?Yes. Postcode 5265 covers 2 localities, so the postcode alone does not identify Coonalpyn. Browse other postcodes in South Australia, or widen the search to every Australian postcode.