Home Postcode finder SA Frayville Frayville postcode SA Frayville is a locality in South Australia covered by postcode 5238. Postcode 5238 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Frayville business listing Be the first listing in Frayville Common questionsWhat is the postcode for Frayville?Frayville, SA has the postcode 5238.What state is Frayville in?Frayville is in South Australia (SA).Does postcode 5238 cover more than one suburb?Yes. Postcode 5238 covers 31 localities, so the postcode alone does not identify Frayville. Browse other postcodes in South Australia, or widen the search to every Australian postcode.