Home Postcode finder WA Wubin Wubin postcode WA Wubin is a locality in Western Australia covered by postcode 6612. Postcode 6612 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Wubin business listing Be the first listing in Wubin Common questionsWhat is the postcode for Wubin?Wubin, WA has the postcode 6612.What state is Wubin in?Wubin is in Western Australia (WA).Does postcode 6612 cover more than one suburb?Yes. Postcode 6612 covers 4 localities, so the postcode alone does not identify Wubin. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.