Home Postcode finder WA Capel River Capel River postcode WA Capel River is a locality in Western Australia covered by postcode 6271. Postcode 6271 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Capel River business listing Be the first listing in Capel River Common questionsWhat is the postcode for Capel River?Capel River, WA has the postcode 6271.What state is Capel River in?Capel River is in Western Australia (WA).Does postcode 6271 cover more than one suburb?Yes. Postcode 6271 covers 5 localities, so the postcode alone does not identify Capel River. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.