Home Postcode finder SA Kellidie Bay Kellidie Bay postcode SA Kellidie Bay is a locality in South Australia covered by postcode 5607. Postcode 5607 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Kellidie Bay business listing Be the first listing in Kellidie Bay Common questionsWhat is the postcode for Kellidie Bay?Kellidie Bay, SA has the postcode 5607.What state is Kellidie Bay in?Kellidie Bay is in South Australia (SA).Does postcode 5607 cover more than one suburb?Yes. Postcode 5607 covers 50 localities, so the postcode alone does not identify Kellidie Bay. Browse other postcodes in South Australia, or widen the search to every Australian postcode.