Home Postcode finder SA Encounter Bay Encounter Bay postcode SA Encounter Bay is a locality in South Australia covered by postcode 5211. Postcode 5211 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Encounter Bay business listing More business listings in Encounter Bay Businesses in Encounter BayPoint 918Encounter Bay · 0417 879 370Super Clean Carpet Care Encounter Bay · 0488 522 520 Common questionsWhat is the postcode for Encounter Bay?Encounter Bay, SA has the postcode 5211.What state is Encounter Bay in?Encounter Bay is in South Australia (SA).Does postcode 5211 cover more than one suburb?Yes. Postcode 5211 covers 12 localities, so the postcode alone does not identify Encounter Bay. Browse other postcodes in South Australia, or widen the search to every Australian postcode.