Home Postcode finder SA Carrieton Carrieton postcode SA Carrieton is a locality in South Australia covered by postcode 5432. Postcode 5432 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Carrieton business listing More business listings in Carrieton Businesses in CarrietonCoinjoker- Bitcoin Exchange Script41 Shannon Court · 9791703519 Common questionsWhat is the postcode for Carrieton?Carrieton, SA has the postcode 5432.What state is Carrieton in?Carrieton is in South Australia (SA).Does postcode 5432 cover more than one suburb?Yes. Postcode 5432 covers 5 localities, so the postcode alone does not identify Carrieton. Browse other postcodes in South Australia, or widen the search to every Australian postcode.