Home Postcodes by state SA Outer Harbor Outer Harbor postcode SA Outer Harbor is a locality in South Australia covered by postcode 5018. Postcode 5018 State or territory South Australia (SA) Region Adelaide Council area Port Adelaide Enfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Outer Harbor business listing Be the first listing in Outer Harbor Suburbs near Outer HarborStraight-line distance between locality centres.North HavenSA 5018 · 2.0 kmOsborneSA 5017 · 2.9 kmTaperooSA 5017 · 3.3 kmLargs NorthSA 5016 · 5.0 kmLargs BaySA 5016 · 5.5 kmSt KildaSA 5110 · 6.1 kmPeterheadSA 5016 · 6.4 kmBirkenheadSA 5015 · 6.9 kmSemaphoreSA 5019 · 7.0 kmExeterSA 5019 · 7.1 kmNew PortSA 5015 · 7.6 kmGlanvilleSA 5015 · 7.8 kmDistances to every suburb around Outer Harbor Also in postcode 5018North HavenSA 5018 Common questionsWhat is the postcode for Outer Harbor?Outer Harbor, SA has the postcode 5018.What state is Outer Harbor in?Outer Harbor is in South Australia (SA).What council is Outer Harbor in?Outer Harbor is in the Port Adelaide Enfield local government area.Does postcode 5018 cover more than one suburb?Yes. Postcode 5018 covers 2 localities, so the postcode alone does not identify Outer Harbor.What suburbs are near Outer Harbor?The closest are North Haven (2.0 km), Osborne (2.9 km), Taperoo (3.3 km), Largs North (5.0 km) and Largs Bay (5.5 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.