Home Postcode finder SA Clare Clare postcode SA Clare is a locality in South Australia covered by postcode 5453. Postcode 5453 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Clare business listing More business listings in Clare Businesses in ClareClare High School6 Elliot St · 08 88422788Clare Primary School137 Main North Rd · 08 88422433Clewers Betta Home Living216 Main North Road Clare SA 5453 · 08 8842 2777 Common questionsWhat is the postcode for Clare?Clare, SA has the postcode 5453.What state is Clare in?Clare is in South Australia (SA).Does postcode 5453 cover more than one suburb?Yes. Postcode 5453 covers 16 localities, so the postcode alone does not identify Clare. Browse other postcodes in South Australia, or widen the search to every Australian postcode.