Home Postcode finder NSWRV Grawlin Grawlin postcode NSWRV Grawlin is a locality in New South Wales covered by postcode 2871. Postcode 2871 State or territory New South Wales (NSWRV) Region NSW Country West Add a free Grawlin business listing Be the first listing in Grawlin Common questionsWhat is the postcode for Grawlin?Grawlin, NSWRV has the postcode 2871.What state is Grawlin in?Grawlin is in New South Wales (NSWRV).Does postcode 2871 cover more than one suburb?Yes. Postcode 2871 covers 20 localities, so the postcode alone does not identify Grawlin. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.