Home Postcode finder SA Tea Tree Gully Tea Tree Gully postcode SA Tea Tree Gully is a locality in South Australia covered by postcode 5091. Postcode 5091 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Tea Tree Gully business listing More business listings in Tea Tree Gully Businesses in Tea Tree GullyEvolve Skin RejuvenationShop 3 1328 North East Road · 08 8396 3399First National Real Estate Burton Groves1332 North East Road · (08) 8265 5511St David's Parish School40 Elizabeth St · 08 83606300 Common questionsWhat is the postcode for Tea Tree Gully?Tea Tree Gully, SA has the postcode 5091.What state is Tea Tree Gully in?Tea Tree Gully is in South Australia (SA).Does postcode 5091 cover more than one suburb?Yes. Postcode 5091 covers 3 localities, so the postcode alone does not identify Tea Tree Gully. Browse other postcodes in South Australia, or widen the search to every Australian postcode.