Home Postcode finder SA Wigley Flat Wigley Flat postcode SA Wigley Flat is a locality in South Australia covered by postcode 5330. Postcode 5330 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wigley Flat business listing Be the first listing in Wigley Flat Common questionsWhat is the postcode for Wigley Flat?Wigley Flat, SA has the postcode 5330.What state is Wigley Flat in?Wigley Flat is in South Australia (SA).Does postcode 5330 cover more than one suburb?Yes. Postcode 5330 covers 15 localities, so the postcode alone does not identify Wigley Flat. Browse other postcodes in South Australia, or widen the search to every Australian postcode.