Home Postcode finder SA Port Stanvac Port Stanvac postcode SA Port Stanvac is a locality in South Australia covered by postcode 5160. Postcode 5160 State or territory South Australia (SA) Region Adelaide Add a free Port Stanvac business listing Be the first listing in Port Stanvac Common questionsWhat is the postcode for Port Stanvac?Port Stanvac, SA has the postcode 5160.What state is Port Stanvac in?Port Stanvac is in South Australia (SA).Does postcode 5160 cover more than one suburb?Yes. Postcode 5160 covers 2 localities, so the postcode alone does not identify Port Stanvac. Browse other postcodes in South Australia, or widen the search to every Australian postcode.