Home Postcode finder SA Modbury North Modbury North postcode SA Modbury North is a locality in South Australia covered by postcode 5092. Postcode 5092 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Modbury North business listing More business listings in Modbury North Businesses in Modbury NorthModbury School Preschool To Year 72-18 Golden Grove Road · 08 82642027 Common questionsWhat is the postcode for Modbury North?Modbury North, SA has the postcode 5092.What state is Modbury North in?Modbury North is in South Australia (SA).Does postcode 5092 cover more than one suburb?Yes. Postcode 5092 covers 3 localities, so the postcode alone does not identify Modbury North. Browse other postcodes in South Australia, or widen the search to every Australian postcode.