Home Postcode finder WA Bandy Creek Bandy Creek postcode WA Bandy Creek is a locality in Western Australia covered by postcode 6450. Postcode 6450 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Bandy Creek business listing Be the first listing in Bandy Creek Common questionsWhat is the postcode for Bandy Creek?Bandy Creek, WA has the postcode 6450.What state is Bandy Creek in?Bandy Creek is in Western Australia (WA).Does postcode 6450 cover more than one suburb?Yes. Postcode 6450 covers 23 localities, so the postcode alone does not identify Bandy Creek. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.