Home Postcode finder WA Gnoorea Gnoorea postcode WA Gnoorea 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 Gnoorea business listing Be the first listing in Gnoorea Common questionsWhat is the postcode for Gnoorea?Gnoorea, WA has the postcode 6714.What state is Gnoorea in?Gnoorea 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 Gnoorea. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.