Home Postcode finder WA Mount Nasura Mount Nasura postcode WA Mount Nasura is a locality in Western Australia covered by postcode 6112. Postcode 6112 State or territory Western Australia (WA) Region North West Suburbs Add a free Mount Nasura business listing Be the first listing in Mount Nasura Common questionsWhat is the postcode for Mount Nasura?Mount Nasura, WA has the postcode 6112.What state is Mount Nasura in?Mount Nasura is in Western Australia (WA).Does postcode 6112 cover more than one suburb?Yes. Postcode 6112 covers 12 localities, so the postcode alone does not identify Mount Nasura. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.