Home Postcode finder SA Tilley Swamp Tilley Swamp postcode SA Tilley Swamp is a locality in South Australia covered by postcode 5275. Postcode 5275 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Tilley Swamp business listing Be the first listing in Tilley Swamp Common questionsWhat is the postcode for Tilley Swamp?Tilley Swamp, SA has the postcode 5275.What state is Tilley Swamp in?Tilley Swamp is in South Australia (SA).Does postcode 5275 cover more than one suburb?Yes. Postcode 5275 covers 15 localities, so the postcode alone does not identify Tilley Swamp. Browse other postcodes in South Australia, or widen the search to every Australian postcode.