Home Postcode finder WA Lime Lake Lime Lake postcode WA Lime Lake is a locality in Western Australia covered by postcode 6315. Postcode 6315 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Lime Lake business listing Be the first listing in Lime Lake Common questionsWhat is the postcode for Lime Lake?Lime Lake, WA has the postcode 6315.What state is Lime Lake in?Lime Lake is in Western Australia (WA).Does postcode 6315 cover more than one suburb?Yes. Postcode 6315 covers 12 localities, so the postcode alone does not identify Lime Lake. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.