Home Postcode finder SA Ramsay Ramsay postcode SA Ramsay is a locality in South Australia covered by postcode 5575. Postcode 5575 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Ramsay business listing Be the first listing in Ramsay Common questionsWhat is the postcode for Ramsay?Ramsay, SA has the postcode 5575.What state is Ramsay in?Ramsay is in South Australia (SA).Does postcode 5575 cover more than one suburb?Yes. Postcode 5575 covers 17 localities, so the postcode alone does not identify Ramsay. Browse other postcodes in South Australia, or widen the search to every Australian postcode.