Home Postcode finder SA Karoonda Karoonda postcode SA Karoonda is a locality in South Australia covered by postcode 5307. Postcode 5307 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Karoonda business listing More business listings in Karoonda Businesses in KaroondaKaroonda Area School1 North Tce · 08 85781120Kylie Martin Creative12014 Karoonda Highway · 0418 891 461Kylie Martin Creative12014 Karoonda Highway · 0418891461 Common questionsWhat is the postcode for Karoonda?Karoonda, SA has the postcode 5307.What state is Karoonda in?Karoonda is in South Australia (SA).Does postcode 5307 cover more than one suburb?Yes. Postcode 5307 covers 5 localities, so the postcode alone does not identify Karoonda. Browse other postcodes in South Australia, or widen the search to every Australian postcode.