Home Postcode finder SA Cape Jaffa Cape Jaffa postcode SA Cape Jaffa is a locality in South Australia covered by postcode 5275. Postcode 5275 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cape Jaffa business listing Be the first listing in Cape Jaffa Common questionsWhat is the postcode for Cape Jaffa?Cape Jaffa, SA has the postcode 5275.What state is Cape Jaffa in?Cape Jaffa is in South Australia (SA).Does postcode 5275 cover more than one suburb?Yes. Postcode 5275 covers 15 localities, so the postcode alone does not identify Cape Jaffa. Browse other postcodes in South Australia, or widen the search to every Australian postcode.