Home Postcode finder SA Penneshaw Penneshaw postcode SA Penneshaw is a locality in South Australia covered by postcode 5222. Postcode 5222 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Penneshaw business listing More business listings in Penneshaw Businesses in PenneshawKangaroo Island Community EducationHoward Drive · 08 85531067 Common questionsWhat is the postcode for Penneshaw?Penneshaw, SA has the postcode 5222.What state is Penneshaw in?Penneshaw is in South Australia (SA).Does postcode 5222 cover more than one suburb?Yes. Postcode 5222 covers 17 localities, so the postcode alone does not identify Penneshaw. Browse other postcodes in South Australia, or widen the search to every Australian postcode.