Home Postcode finder NSWDL Silent Grove Silent Grove postcode NSWDL Silent Grove is a locality in New South Wales covered by postcode 2372. Postcode 2372 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free Silent Grove business listing Be the first listing in Silent Grove Common questionsWhat is the postcode for Silent Grove?Silent Grove, NSWDL has the postcode 2372.What state is Silent Grove in?Silent Grove is in New South Wales (NSWDL).Does postcode 2372 cover more than one suburb?Yes. Postcode 2372 covers 22 localities, so the postcode alone does not identify Silent Grove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.