Home Postcode finder WA Learmonth Learmonth postcode WA Learmonth is a locality in Western Australia covered by postcode 6707. Postcode 6707 State or territory Western Australia (WA) Region North West Suburbs Add a free Learmonth business listing Be the first listing in Learmonth Common questionsWhat is the postcode for Learmonth?Learmonth, WA has the postcode 6707.What state is Learmonth in?Learmonth is in Western Australia (WA).Does postcode 6707 cover more than one suburb?Yes. Postcode 6707 covers 5 localities, so the postcode alone does not identify Learmonth. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.