Home Postcode finder SA Spring Gully Spring Gully postcode SA Spring Gully is a locality in South Australia covered by postcode 5453. Postcode 5453 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Spring Gully business listing Be the first listing in Spring Gully Common questionsWhat is the postcode for Spring Gully?Spring Gully, SA has the postcode 5453.What state is Spring Gully in?Spring Gully is in South Australia (SA).Does postcode 5453 cover more than one suburb?Yes. Postcode 5453 covers 16 localities, so the postcode alone does not identify Spring Gully. Browse other postcodes in South Australia, or widen the search to every Australian postcode.