Postcode 2318 This postcode covers more than one locality. Which one are you after? Campvale New South Wales LGA: Port Stephens Ferodale New South Wales LGA: Port Stephens Fullerton Cove New South Wales LGA: Port Stephens Medowie New South Wales LGA: Port Stephens Salt Ash New South Wales LGA: Port Stephens Williamtown New South Wales LGA: Port Stephens