Home Postcode finder SA Wombats Rest Wombats Rest postcode SA Wombats Rest is a locality in South Australia covered by postcode 5320. Postcode 5320 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wombats Rest business listing Be the first listing in Wombats Rest Common questionsWhat is the postcode for Wombats Rest?Wombats Rest, SA has the postcode 5320.What state is Wombats Rest in?Wombats Rest is in South Australia (SA).Does postcode 5320 cover more than one suburb?Yes. Postcode 5320 covers 13 localities, so the postcode alone does not identify Wombats Rest. Browse other postcodes in South Australia, or widen the search to every Australian postcode.