Home Postcode finder WA Millars Well Millars Well postcode WA Millars Well 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 Millars Well business listing More business listings in Millars Well Businesses in Millars WellMillars Well Primary School45 Gawthorne Drive · 08 91852400 Common questionsWhat is the postcode for Millars Well?Millars Well, WA has the postcode 6714.What state is Millars Well in?Millars Well 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 Millars Well. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.