Home Postcode finder NSW Enngonia Enngonia postcode NSW Enngonia is a locality in New South Wales covered by postcode 2840. Postcode 2840 State or territory New South Wales (NSW) Region NSW Country West Add a free Enngonia business listing More business listings in Enngonia Businesses in EnngoniaEnngonia Public SchoolLot 9 Belalie St · 02 68747550 Common questionsWhat is the postcode for Enngonia?Enngonia, NSW has the postcode 2840.What state is Enngonia in?Enngonia is in New South Wales (NSW).Does postcode 2840 cover more than one suburb?Yes. Postcode 2840 covers 11 localities, so the postcode alone does not identify Enngonia. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.