Home Postcode finder SA Oodnadatta Oodnadatta postcode SA Oodnadatta is a locality in South Australia covered by postcode 5734. Postcode 5734 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Oodnadatta business listing More business listings in Oodnadatta Businesses in OodnadattaOodnadatta Aboriginal SchoolC/o Post Office · 08 86707823 Common questionsWhat is the postcode for Oodnadatta?Oodnadatta, SA has the postcode 5734.What state is Oodnadatta in?Oodnadatta is in South Australia (SA).Does postcode 5734 cover more than one suburb?No. Postcode 5734 covers Oodnadatta only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.