Home Postcode finder SA Seaview Downs Seaview Downs postcode SA Seaview Downs is a locality in South Australia covered by postcode 5049. Postcode 5049 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Seaview Downs business listing More business listings in Seaview Downs Businesses in Seaview DownsModern Curtain Designs204 · 0431 729 225Seaview Downs Primary School26-44 Ross St · 08 82981327 Common questionsWhat is the postcode for Seaview Downs?Seaview Downs, SA has the postcode 5049.What state is Seaview Downs in?Seaview Downs is in South Australia (SA).Does postcode 5049 cover more than one suburb?Yes. Postcode 5049 covers 5 localities, so the postcode alone does not identify Seaview Downs. Browse other postcodes in South Australia, or widen the search to every Australian postcode.