Home Postcode finder SA Telowie Telowie postcode SA Telowie is a locality in South Australia covered by postcode 5540. Postcode 5540 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Telowie business listing Be the first listing in Telowie Common questionsWhat is the postcode for Telowie?Telowie, SA has the postcode 5540.What state is Telowie in?Telowie is in South Australia (SA).Does postcode 5540 cover more than one suburb?Yes. Postcode 5540 covers 14 localities, so the postcode alone does not identify Telowie. Browse other postcodes in South Australia, or widen the search to every Australian postcode.