Home Postcode finder NSWRV Gleniffer Gleniffer postcode NSWRV Gleniffer is a locality in New South Wales covered by postcode 2454. Postcode 2454 State or territory New South Wales (NSWRV) Region NSW North Coast Add a free Gleniffer business listing Be the first listing in Gleniffer Common questionsWhat is the postcode for Gleniffer?Gleniffer, NSWRV has the postcode 2454.What state is Gleniffer in?Gleniffer is in New South Wales (NSWRV).Does postcode 2454 cover more than one suburb?Yes. Postcode 2454 covers 13 localities, so the postcode alone does not identify Gleniffer. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.