Home Postcode finder WA Bayonet Head Bayonet Head postcode WA Bayonet Head 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 Bayonet Head business listing Be the first listing in Bayonet Head Common questionsWhat is the postcode for Bayonet Head?Bayonet Head, WA has the postcode 6330.What state is Bayonet Head in?Bayonet Head 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 Bayonet Head. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.