Home Postcode finder WA The Lakes The Lakes postcode WA The Lakes is a locality in Western Australia covered by postcode 6556. Postcode 6556 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free The Lakes business listing Be the first listing in The Lakes Common questionsWhat is the postcode for The Lakes?The Lakes, WA has the postcode 6556.What state is The Lakes in?The Lakes is in Western Australia (WA).Does postcode 6556 cover more than one suburb?Yes. Postcode 6556 covers 5 localities, so the postcode alone does not identify The Lakes. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.