Home Postcode finder NSW Blue Knob Blue Knob postcode NSW Blue Knob is a locality in New South Wales covered by postcode 2480. Postcode 2480 State or territory New South Wales (NSW) Region NSW North Coast Add a free Blue Knob business listing Be the first listing in Blue Knob Common questionsWhat is the postcode for Blue Knob?Blue Knob, NSW has the postcode 2480.What state is Blue Knob in?Blue Knob is in New South Wales (NSW).Does postcode 2480 cover more than one suburb?Yes. Postcode 2480 covers 68 localities, so the postcode alone does not identify Blue Knob. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.