Home Postcode finder SA Alford Alford postcode SA Alford is a locality in South Australia covered by postcode 5555. Postcode 5555 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Alford business listing Be the first listing in Alford Common questionsWhat is the postcode for Alford?Alford, SA has the postcode 5555.What state is Alford in?Alford is in South Australia (SA).Does postcode 5555 cover more than one suburb?Yes. Postcode 5555 covers 11 localities, so the postcode alone does not identify Alford. Browse other postcodes in South Australia, or widen the search to every Australian postcode.