Home Postcode finder WA Ord River Ord River postcode WA Ord River is a locality in Western Australia covered by postcode 6770. Postcode 6770 State or territory Western Australia (WA) Region North West Suburbs Add a free Ord River business listing Be the first listing in Ord River Common questionsWhat is the postcode for Ord River?Ord River, WA has the postcode 6770.What state is Ord River in?Ord River is in Western Australia (WA).Does postcode 6770 cover more than one suburb?Yes. Postcode 6770 covers 7 localities, so the postcode alone does not identify Ord River. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.