Home Postcode finder WA Benger Benger postcode WA Benger is a locality in Western Australia covered by postcode 6223. Postcode 6223 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Benger business listing Be the first listing in Benger Common questionsWhat is the postcode for Benger?Benger, WA has the postcode 6223.What state is Benger in?Benger is in Western Australia (WA).Does postcode 6223 cover more than one suburb?No. Postcode 6223 covers Benger only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.