Home Postcode finder NSWRV Brawboy Brawboy postcode NSWRV Brawboy is a locality in New South Wales covered by postcode 2337. Postcode 2337 State or territory New South Wales (NSWRV) Region Hunter Add a free Brawboy business listing Be the first listing in Brawboy Common questionsWhat is the postcode for Brawboy?Brawboy, NSWRV has the postcode 2337.What state is Brawboy in?Brawboy is in New South Wales (NSWRV).Does postcode 2337 cover more than one suburb?Yes. Postcode 2337 covers 25 localities, so the postcode alone does not identify Brawboy. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.