Home Postcode finder NSW Grenfell Grenfell postcode NSW Grenfell is a locality in New South Wales covered by postcode 2810. Postcode 2810 State or territory New South Wales (NSW) Region NSW Country West Add a free Grenfell business listing More business listings in Grenfell Businesses in GrenfellGrenfell Public School30-42 Melyra St · 02 63432122St Joseph's SchoolWeddin St · 02 63431514The Henry Lawson High School49 South St · 02 63431390 Common questionsWhat is the postcode for Grenfell?Grenfell, NSW has the postcode 2810.What state is Grenfell in?Grenfell is in New South Wales (NSW).Does postcode 2810 cover more than one suburb?Yes. Postcode 2810 covers 8 localities, so the postcode alone does not identify Grenfell. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.