Home Postcode finder SA Highbury Highbury postcode SA Highbury is a locality in South Australia covered by postcode 5089. Postcode 5089 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Highbury business listing More business listings in Highbury Businesses in HighburyHighbury Natural Health Centre & IBS Clinic24 Elliston Avenue, Highbury South Australia 5089, Australia · 08 8395 2836TONO ConstructionsKinnaird Cres, Highbury SA 5089, Australia · 0433 138 365 Common questionsWhat is the postcode for Highbury?Highbury, SA has the postcode 5089.What state is Highbury in?Highbury is in South Australia (SA).Does postcode 5089 cover more than one suburb?No. Postcode 5089 covers Highbury only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.