Home Postcode finder SA Port Augusta West Port Augusta West postcode SA Port Augusta West is a locality in South Australia covered by postcode 5700. Postcode 5700 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Port Augusta West business listing More business listings in Port Augusta West Businesses in Port Augusta WestFlinders View Primary SchoolChinnery St · 08 86425866Port Augusta West Primary School46 Mildred St · 08 86422637 Common questionsWhat is the postcode for Port Augusta West?Port Augusta West, SA has the postcode 5700.What state is Port Augusta West in?Port Augusta West is in South Australia (SA).Does postcode 5700 cover more than one suburb?Yes. Postcode 5700 covers 8 localities, so the postcode alone does not identify Port Augusta West. Browse other postcodes in South Australia, or widen the search to every Australian postcode.