Home Postcode finder SA Hawker Hawker postcode SA Hawker is a locality in South Australia covered by postcode 5434. Postcode 5434 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Hawker business listing More business listings in Hawker Businesses in HawkerHawker Area SchoolArkaba St · 08 86484003 Common questionsWhat is the postcode for Hawker?Hawker, SA has the postcode 5434.What state is Hawker in?Hawker is in South Australia (SA).Does postcode 5434 cover more than one suburb?Yes. Postcode 5434 covers 3 localities, so the postcode alone does not identify Hawker. Browse other postcodes in South Australia, or widen the search to every Australian postcode.