Home Postcode finder WA Devils Creek Devils Creek postcode WA Devils Creek is a locality in Western Australia covered by postcode 6630. Postcode 6630 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Devils Creek business listing Be the first listing in Devils Creek Common questionsWhat is the postcode for Devils Creek?Devils Creek, WA has the postcode 6630.What state is Devils Creek in?Devils Creek is in Western Australia (WA).Does postcode 6630 cover more than one suburb?Yes. Postcode 6630 covers 8 localities, so the postcode alone does not identify Devils Creek. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.