Home Postcode finder WA Coral Bay Coral Bay postcode WA Coral Bay is a locality in Western Australia covered by postcode 6701. Postcode 6701 State or territory Western Australia (WA) Region North West Suburbs Add a free Coral Bay business listing Be the first listing in Coral Bay Common questionsWhat is the postcode for Coral Bay?Coral Bay, WA has the postcode 6701.What state is Coral Bay in?Coral Bay is in Western Australia (WA).Does postcode 6701 cover more than one suburb?Yes. Postcode 6701 covers 28 localities, so the postcode alone does not identify Coral Bay. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.