Home Postcode finder NSWRV Palm Grove Palm Grove postcode NSWRV Palm Grove is a locality in New South Wales covered by postcode 2258. Postcode 2258 State or territory New South Wales (NSWRV) Region Gosford Add a free Palm Grove business listing Be the first listing in Palm Grove Common questionsWhat is the postcode for Palm Grove?Palm Grove, NSWRV has the postcode 2258.What state is Palm Grove in?Palm Grove is in New South Wales (NSWRV).Does postcode 2258 cover more than one suburb?Yes. Postcode 2258 covers 5 localities, so the postcode alone does not identify Palm Grove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.