Home Postcode finder SA Bolivar Bolivar postcode SA Bolivar is a locality in South Australia covered by postcode 5110. Postcode 5110 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Bolivar business listing Be the first listing in Bolivar Common questionsWhat is the postcode for Bolivar?Bolivar, SA has the postcode 5110.What state is Bolivar in?Bolivar is in South Australia (SA).Does postcode 5110 cover more than one suburb?Yes. Postcode 5110 covers 6 localities, so the postcode alone does not identify Bolivar. Browse other postcodes in South Australia, or widen the search to every Australian postcode.