Home Postcodes by state SA Port Willunga Port Willunga postcode SA Port Willunga is a locality in South Australia covered by postcode 5173. Postcode 5173 State or territory South Australia (SA) Region Adelaide Council area Onkaparinga Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Port Willunga business listing Be the first listing in Port Willunga Suburbs near Port WillungaStraight-line distance between locality centres.AldingaSA 5173 · 2.0 kmAldinga BeachSA 5173 · 2.1 kmMaslin BeachSA 5170 · 3.6 kmTatachillaSA 5171 · 4.8 kmWhites ValleySA 5172 · 5.6 kmSilver SandsSA 5173 · 5.7 kmPedler CreekSA 5171 · 6.0 kmSeaford HeightsSA 5169 · 7.3 kmMoanaSA 5169 · 7.5 kmSellicks HillSA 5174 · 7.6 kmSeaford RiseSA 5169 · 7.6 kmSellicks BeachSA 5174 · 7.8 kmDistances to every suburb around Port Willunga Also in postcode 5173AldingaSA 5173Aldinga BeachSA 5173Silver SandsSA 5173 Common questionsWhat is the postcode for Port Willunga?Port Willunga, SA has the postcode 5173.What state is Port Willunga in?Port Willunga is in South Australia (SA).What council is Port Willunga in?Port Willunga is in the Onkaparinga local government area.Does postcode 5173 cover more than one suburb?Yes. Postcode 5173 covers 4 localities, so the postcode alone does not identify Port Willunga.What suburbs are near Port Willunga?The closest are Aldinga (2.0 km), Aldinga Beach (2.1 km), Maslin Beach (3.6 km), Tatachilla (4.8 km) and Whites Valley (5.6 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.