Home Postcode finder NSW Charmhaven Charmhaven postcode NSW Charmhaven is a locality in New South Wales covered by postcode 2263. Postcode 2263 State or territory New South Wales (NSW) Region Gosford Add a free Charmhaven business listing More business listings in Charmhaven Businesses in CharmhavenAusiports Home Improvements1 O'Hart Close, Charmhaven New South Wales 2263, Australia · +61 2 4393 2501Central Coast Gymnastics Academy6 O'Hart Close · (02) 4392 0477Central Coast Gymnastics Academy6 O'Hart Close · 02 4392 0477 Common questionsWhat is the postcode for Charmhaven?Charmhaven, NSW has the postcode 2263.What state is Charmhaven in?Charmhaven is in New South Wales (NSW).Does postcode 2263 cover more than one suburb?Yes. Postcode 2263 covers 7 localities, so the postcode alone does not identify Charmhaven. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.