Home Postcode finder SA Port Augusta Port Augusta postcode SA Port Augusta is a locality in South Australia covered by postcode 5710. Postcode 5710 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Port Augusta business listing More business listings in Port Augusta Businesses in Port AugustaAugusta Park Primary School59 Power Crescent · 08 86423599Care Assure104 Carlton Parade, Port Augusta SA 5700, Australia · 0870719276Caritas CollegeWoodforde St · 08 86423777 Common questionsWhat is the postcode for Port Augusta?Port Augusta, SA has the postcode 5710.What state is Port Augusta in?Port Augusta is in South Australia (SA).Does postcode 5710 cover more than one suburb?Yes. Postcode 5710 covers 11 localities, so the postcode alone does not identify Port Augusta. Browse other postcodes in South Australia, or widen the search to every Australian postcode.