Home Postcode finder SA Stonyfell Stonyfell postcode SA Stonyfell is a locality in South Australia covered by postcode 5066. Postcode 5066 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Stonyfell business listing More business listings in Stonyfell Businesses in StonyfellSt Peter's Collegiate Girls School32 Stonyfell Rd · 08 83342200 Common questionsWhat is the postcode for Stonyfell?Stonyfell, SA has the postcode 5066.What state is Stonyfell in?Stonyfell is in South Australia (SA).Does postcode 5066 cover more than one suburb?Yes. Postcode 5066 covers 7 localities, so the postcode alone does not identify Stonyfell. Browse other postcodes in South Australia, or widen the search to every Australian postcode.