Home Postcode finder SA Coombe Coombe postcode SA Coombe is a locality in South Australia covered by postcode 5267. Postcode 5267 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Coombe business listing Be the first listing in Coombe Common questionsWhat is the postcode for Coombe?Coombe, SA has the postcode 5267.What state is Coombe in?Coombe is in South Australia (SA).Does postcode 5267 cover more than one suburb?Yes. Postcode 5267 covers 12 localities, so the postcode alone does not identify Coombe. Browse other postcodes in South Australia, or widen the search to every Australian postcode.