Home Postcode finder SA Fregon Fregon postcode SA Fregon is a locality in South Australia covered by postcode 0872. Postcode 0872 State or territory South Australia (SA) Region Adelaide Add a free Fregon business listing Be the first listing in Fregon Common questionsWhat is the postcode for Fregon?Fregon, SA has the postcode 0872.What state is Fregon in?Fregon is in South Australia (SA).Does postcode 0872 cover more than one suburb?Yes. Postcode 0872 covers 81 localities, so the postcode alone does not identify Fregon. It also appears in 3 states or territories, so it does not identify a state either. Browse other postcodes in South Australia, or widen the search to every Australian postcode.