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