Home Postcode finder WA Broomehill West Broomehill West postcode WA Broomehill West is a locality in Western Australia covered by postcode 6318. Postcode 6318 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Broomehill West business listing Be the first listing in Broomehill West Common questionsWhat is the postcode for Broomehill West?Broomehill West, WA has the postcode 6318.What state is Broomehill West in?Broomehill West is in Western Australia (WA).Does postcode 6318 cover more than one suburb?Yes. Postcode 6318 covers 4 localities, so the postcode alone does not identify Broomehill West. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.