Home Postcode finder SA Wanilla Wanilla postcode SA Wanilla is a locality in South Australia covered by postcode 5607. Postcode 5607 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wanilla business listing Be the first listing in Wanilla Common questionsWhat is the postcode for Wanilla?Wanilla, SA has the postcode 5607.What state is Wanilla in?Wanilla is in South Australia (SA).Does postcode 5607 cover more than one suburb?Yes. Postcode 5607 covers 50 localities, so the postcode alone does not identify Wanilla. Browse other postcodes in South Australia, or widen the search to every Australian postcode.