Home Postcode finder SA Salisbury East Northbri Ave Salisbury East Northbri Ave postcode SA Salisbury East Northbri Ave is a locality in South Australia covered by postcode 5109. Postcode 5109 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Salisbury East Northbri Ave business listing Be the first listing in Salisbury East Northbri Ave Common questionsWhat is the postcode for Salisbury East Northbri Ave?Salisbury East Northbri Ave, SA has the postcode 5109.What state is Salisbury East Northbri Ave in?Salisbury East Northbri Ave is in South Australia (SA).Does postcode 5109 cover more than one suburb?Yes. Postcode 5109 covers 6 localities, so the postcode alone does not identify Salisbury East Northbri Ave. Browse other postcodes in South Australia, or widen the search to every Australian postcode.