Home Postcode finder WA Berkshire Valley Berkshire Valley postcode WA Berkshire Valley is a locality in Western Australia covered by postcode 6510. Postcode 6510 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Berkshire Valley business listing Be the first listing in Berkshire Valley Common questionsWhat is the postcode for Berkshire Valley?Berkshire Valley, WA has the postcode 6510.What state is Berkshire Valley in?Berkshire Valley is in Western Australia (WA).Does postcode 6510 cover more than one suburb?Yes. Postcode 6510 covers 6 localities, so the postcode alone does not identify Berkshire Valley. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.