Home Postcode finder SA Christie Downs Christie Downs postcode SA Christie Downs is a locality in South Australia covered by postcode 5164. Postcode 5164 State or territory South Australia (SA) Region Adelaide Add a free Christie Downs business listing More business listings in Christie Downs Businesses in Christie DownsBowden Brompton Community SchoolBeach Rd · 08 83848288Christie Downs Primary SchoolElizabeth Rd · 08 83823266Christie Downs Special SchoolElizabeth Rd · 08 83823266 Common questionsWhat is the postcode for Christie Downs?Christie Downs, SA has the postcode 5164.What state is Christie Downs in?Christie Downs is in South Australia (SA).Does postcode 5164 cover more than one suburb?No. Postcode 5164 covers Christie Downs only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.