Home Postcode finder SA Brenda Park Brenda Park postcode SA Brenda Park is a locality in South Australia covered by postcode 5320. Postcode 5320 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Brenda Park business listing Be the first listing in Brenda Park Common questionsWhat is the postcode for Brenda Park?Brenda Park, SA has the postcode 5320.What state is Brenda Park in?Brenda Park is in South Australia (SA).Does postcode 5320 cover more than one suburb?Yes. Postcode 5320 covers 13 localities, so the postcode alone does not identify Brenda Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.