Home Postcode finder SA North Shields North Shields postcode SA North Shields is a locality in South Australia covered by postcode 5607. Postcode 5607 State or territory South Australia (SA) Region SA Outer Suburbs Add a free North Shields business listing Be the first listing in North Shields Common questionsWhat is the postcode for North Shields?North Shields, SA has the postcode 5607.What state is North Shields in?North Shields is in South Australia (SA).Does postcode 5607 cover more than one suburb?Yes. Postcode 5607 covers 50 localities, so the postcode alone does not identify North Shields. Browse other postcodes in South Australia, or widen the search to every Australian postcode.