Home Postcode finder WA Antonymyre Antonymyre postcode WA Antonymyre is a locality in Western Australia covered by postcode 6714. Postcode 6714 State or territory Western Australia (WA) Region North West Suburbs Add a free Antonymyre business listing Be the first listing in Antonymyre Common questionsWhat is the postcode for Antonymyre?Antonymyre, WA has the postcode 6714.What state is Antonymyre in?Antonymyre is in Western Australia (WA).Does postcode 6714 cover more than one suburb?Yes. Postcode 6714 covers 20 localities, so the postcode alone does not identify Antonymyre. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.