Home Postcode finder SA Port Kenny Port Kenny postcode SA Port Kenny is a locality in South Australia covered by postcode 5671. Postcode 5671 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Port Kenny business listing More business listings in Port Kenny Businesses in Port KennyPort Kenny Primary School08 86255020 Common questionsWhat is the postcode for Port Kenny?Port Kenny, SA has the postcode 5671.What state is Port Kenny in?Port Kenny is in South Australia (SA).Does postcode 5671 cover more than one suburb?Yes. Postcode 5671 covers 8 localities, so the postcode alone does not identify Port Kenny. Browse other postcodes in South Australia, or widen the search to every Australian postcode.