Home Postcode finder SA Narridy Narridy postcode SA Narridy is a locality in South Australia covered by postcode 5523. Postcode 5523 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Narridy business listing Be the first listing in Narridy Common questionsWhat is the postcode for Narridy?Narridy, SA has the postcode 5523.What state is Narridy in?Narridy is in South Australia (SA).Does postcode 5523 cover more than one suburb?Yes. Postcode 5523 covers 10 localities, so the postcode alone does not identify Narridy. Browse other postcodes in South Australia, or widen the search to every Australian postcode.