Home Postcodes by state SA Arno Bay Arno Bay postcode SA Arno Bay is a locality in South Australia covered by postcode 5603. Postcode 5603 State or territory South Australia (SA) Region SA Outer Suburbs Council area Cleve Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Arno Bay business listing Be the first listing in Arno Bay Suburbs near Arno BayStraight-line distance between locality centres.VerranSA 5603 · 22.6 kmCleveSA 5640 · 23.9 kmPort GibbonSA 5602 · 25.0 km Also in postcode 5603HincksSA 5603VerranSA 5603WharmindaSA 5603 Common questionsWhat is the postcode for Arno Bay?Arno Bay, SA has the postcode 5603.What state is Arno Bay in?Arno Bay is in South Australia (SA).What council is Arno Bay in?Arno Bay is in the Cleve local government area.Does postcode 5603 cover more than one suburb?Yes. Postcode 5603 covers 4 localities, so the postcode alone does not identify Arno Bay.What suburbs are near Arno Bay?The closest are Verran (22.6 km), Cleve (23.9 km) and Port Gibbon (25.0 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.