Home Postcode finder SA Winkie Winkie postcode SA Winkie is a locality in South Australia covered by postcode 5343. Postcode 5343 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Winkie business listing More business listings in Winkie Businesses in WinkieWinkie Primary SchoolWinkie Rd · 08 85832285 Common questionsWhat is the postcode for Winkie?Winkie, SA has the postcode 5343.What state is Winkie in?Winkie is in South Australia (SA).Does postcode 5343 cover more than one suburb?Yes. Postcode 5343 covers 6 localities, so the postcode alone does not identify Winkie. Browse other postcodes in South Australia, or widen the search to every Australian postcode.