Home Postcode finder NSW Edgeroi Edgeroi postcode NSW Edgeroi is a locality in New South Wales covered by postcode 2390. Postcode 2390 State or territory New South Wales (NSW) Region NSW North Coast Add a free Edgeroi business listing Be the first listing in Edgeroi Common questionsWhat is the postcode for Edgeroi?Edgeroi, NSW has the postcode 2390.What state is Edgeroi in?Edgeroi is in New South Wales (NSW).Does postcode 2390 cover more than one suburb?Yes. Postcode 2390 covers 16 localities, so the postcode alone does not identify Edgeroi. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.