Home Postcode finder SA Notts Well Notts Well postcode SA Notts Well is a locality in South Australia covered by postcode 5357. Postcode 5357 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Notts Well business listing Be the first listing in Notts Well Common questionsWhat is the postcode for Notts Well?Notts Well, SA has the postcode 5357.What state is Notts Well in?Notts Well is in South Australia (SA).Does postcode 5357 cover more than one suburb?Yes. Postcode 5357 covers 5 localities, so the postcode alone does not identify Notts Well. Browse other postcodes in South Australia, or widen the search to every Australian postcode.