Home Postcode finder SA Caliph Caliph postcode SA Caliph is a locality in South Australia covered by postcode 5310. Postcode 5310 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Caliph business listing Be the first listing in Caliph Common questionsWhat is the postcode for Caliph?Caliph, SA has the postcode 5310.What state is Caliph in?Caliph is in South Australia (SA).Does postcode 5310 cover more than one suburb?Yes. Postcode 5310 covers 2 localities, so the postcode alone does not identify Caliph. Browse other postcodes in South Australia, or widen the search to every Australian postcode.