Home Postcode finder NSW Erina Fair Erina Fair postcode NSW Erina Fair is a locality in New South Wales covered by postcode 2250. Postcode 2250 State or territory New South Wales (NSW) Region Gosford Add a free Erina Fair business listing Be the first listing in Erina Fair Common questionsWhat is the postcode for Erina Fair?Erina Fair, NSW has the postcode 2250.What state is Erina Fair in?Erina Fair is in New South Wales (NSW).Does postcode 2250 cover more than one suburb?Yes. Postcode 2250 covers 34 localities, so the postcode alone does not identify Erina Fair. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.