Home Postcode finder SA Suttontown Suttontown postcode SA Suttontown is a locality in South Australia covered by postcode 5291. Postcode 5291 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Suttontown business listing More business listings in Suttontown Businesses in SuttontownSuttontown Primary SchoolPine Hall Ave · 08 87254047 Common questionsWhat is the postcode for Suttontown?Suttontown, SA has the postcode 5291.What state is Suttontown in?Suttontown is in South Australia (SA).Does postcode 5291 cover more than one suburb?Yes. Postcode 5291 covers 34 localities, so the postcode alone does not identify Suttontown. Browse other postcodes in South Australia, or widen the search to every Australian postcode.