Home Postcode finder SA Hallett Cove Hallett Cove postcode SA Hallett Cove is a locality in South Australia covered by postcode 5158. Postcode 5158 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Hallett Cove business listing More business listings in Hallett Cove Businesses in Hallett CoveAQ Bookkeeping27 Sandpiper Terrace, Hallett Cove SA, Australia · 0404 431 780AQ Bookkeeping27 Sandpiper Terrace, Hallett Cove SA, Australia · 0404 431 780Fox Mowing & Gardening13 Luderits Cls · 1800 369 669 Common questionsWhat is the postcode for Hallett Cove?Hallett Cove, SA has the postcode 5158.What state is Hallett Cove in?Hallett Cove is in South Australia (SA).Does postcode 5158 cover more than one suburb?Yes. Postcode 5158 covers 4 localities, so the postcode alone does not identify Hallett Cove. Browse other postcodes in South Australia, or widen the search to every Australian postcode.