Home Postcode finder WA Argyle Argyle postcode WA Argyle is a locality in Western Australia covered by postcode 6239. Postcode 6239 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Argyle business listing Be the first listing in Argyle Common questionsWhat is the postcode for Argyle?Argyle, WA has the postcode 6239.What state is Argyle in?Argyle is in Western Australia (WA).Does postcode 6239 cover more than one suburb?Yes. Postcode 6239 covers 11 localities, so the postcode alone does not identify Argyle. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.