Home Postcode finder NSW Gosford Gosford postcode NSW Gosford 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 Gosford business listing More business listings in Gosford Businesses in GosfordAustralian Technical CollegeLvl 1 19-21 Watt St · 02 43229866Bankruptcy Gosford Gosford · 1300795575Brazel Moore Lawyers133-131 Donnison Street · (02) 4324 7699 Common questionsWhat is the postcode for Gosford?Gosford, NSW has the postcode 2250.What state is Gosford in?Gosford 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 Gosford. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.