Home Postcode finder SA Port Moorowie Port Moorowie postcode SA Port Moorowie is a locality in South Australia covered by postcode 5576. Postcode 5576 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Port Moorowie business listing Be the first listing in Port Moorowie Common questionsWhat is the postcode for Port Moorowie?Port Moorowie, SA has the postcode 5576.What state is Port Moorowie in?Port Moorowie is in South Australia (SA).Does postcode 5576 cover more than one suburb?Yes. Postcode 5576 covers 3 localities, so the postcode alone does not identify Port Moorowie. Browse other postcodes in South Australia, or widen the search to every Australian postcode.