Home Postcode finder SA Netley Netley postcode SA Netley is a locality in South Australia covered by postcode 5037. Postcode 5037 State or territory South Australia (SA) Region Adelaide Add a free Netley business listing More business listings in Netley Businesses in NetleyBioBag World352-356 Richmond Rd, Netley · +61 1300301911 Common questionsWhat is the postcode for Netley?Netley, SA has the postcode 5037.What state is Netley in?Netley is in South Australia (SA).Does postcode 5037 cover more than one suburb?Yes. Postcode 5037 covers 4 localities, so the postcode alone does not identify Netley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.