Home Postcode finder WA Bow Bridge Bow Bridge postcode WA Bow Bridge is a locality in Western Australia covered by postcode 6333. Postcode 6333 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Bow Bridge business listing Be the first listing in Bow Bridge Common questionsWhat is the postcode for Bow Bridge?Bow Bridge, WA has the postcode 6333.What state is Bow Bridge in?Bow Bridge is in Western Australia (WA).Does postcode 6333 cover more than one suburb?Yes. Postcode 6333 covers 17 localities, so the postcode alone does not identify Bow Bridge. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.