Home Postcode finder SA Parachilna Parachilna postcode SA Parachilna is a locality in South Australia covered by postcode 5730. Postcode 5730 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Parachilna business listing Be the first listing in Parachilna Common questionsWhat is the postcode for Parachilna?Parachilna, SA has the postcode 5730.What state is Parachilna in?Parachilna is in South Australia (SA).Does postcode 5730 cover more than one suburb?Yes. Postcode 5730 covers 3 localities, so the postcode alone does not identify Parachilna. Browse other postcodes in South Australia, or widen the search to every Australian postcode.