Home Postcode finder WA Lange Lange postcode WA Lange is a locality in Western Australia covered by postcode 6330. Postcode 6330 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Lange business listing Be the first listing in Lange Common questionsWhat is the postcode for Lange?Lange, WA has the postcode 6330.What state is Lange in?Lange is in Western Australia (WA).Does postcode 6330 cover more than one suburb?Yes. Postcode 6330 covers 50 localities, so the postcode alone does not identify Lange. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.