Home Postcode finder WA Lexia Lexia postcode WA Lexia is a locality in Western Australia covered by postcode 6079. Postcode 6079 State or territory Western Australia (WA) Region North West Suburbs Add a free Lexia business listing Be the first listing in Lexia Common questionsWhat is the postcode for Lexia?Lexia, WA has the postcode 6079.What state is Lexia in?Lexia is in Western Australia (WA).Does postcode 6079 cover more than one suburb?Yes. Postcode 6079 covers 2 localities, so the postcode alone does not identify Lexia. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.