Home Postcode finder SA North Haven North Haven postcode SA North Haven is a locality in South Australia covered by postcode 5018. Postcode 5018 State or territory South Australia (SA) Region Adelaide Add a free North Haven business listing More business listings in North Haven Businesses in North HavenDone Right Roofing & Guttering Service827 Military Road, North Haven SA 5018, Australia · 0418804934Ferret Australia5000 South Australia One Drive, North Haven SA, Australia · 1300 142 703LJ Plumbing Solutions52 Klingberg Drive, North Haven SA 5018, Australia · 0410 999 048 Common questionsWhat is the postcode for North Haven?North Haven, SA has the postcode 5018.What state is North Haven in?North Haven is in South Australia (SA).Does postcode 5018 cover more than one suburb?Yes. Postcode 5018 covers 2 localities, so the postcode alone does not identify North Haven. Browse other postcodes in South Australia, or widen the search to every Australian postcode.