Home Postcode finder SA Green Patch Green Patch postcode SA Green Patch 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 Green Patch business listing Be the first listing in Green Patch Common questionsWhat is the postcode for Green Patch?Green Patch, SA has the postcode 5607.What state is Green Patch in?Green Patch 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 Green Patch. Browse other postcodes in South Australia, or widen the search to every Australian postcode.