Home Postcode finder WA New Norcia New Norcia postcode WA New Norcia is a locality in Western Australia covered by postcode 6509. Postcode 6509 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free New Norcia business listing Be the first listing in New Norcia Common questionsWhat is the postcode for New Norcia?New Norcia, WA has the postcode 6509.What state is New Norcia in?New Norcia is in Western Australia (WA).Does postcode 6509 cover more than one suburb?Yes. Postcode 6509 covers 4 localities, so the postcode alone does not identify New Norcia. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.