Home Postcode finder SA Upper Sturt Upper Sturt postcode SA Upper Sturt is a locality in South Australia covered by postcode 5156. Postcode 5156 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Upper Sturt business listing More business listings in Upper Sturt Businesses in Upper SturtUpper Sturt Primary School118 Upper Sturt Rd · 08 83392640 Common questionsWhat is the postcode for Upper Sturt?Upper Sturt, SA has the postcode 5156.What state is Upper Sturt in?Upper Sturt is in South Australia (SA).Does postcode 5156 cover more than one suburb?No. Postcode 5156 covers Upper Sturt only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.