Home Postcode finder NSW Mirrabooka Mirrabooka postcode NSW Mirrabooka is a locality in New South Wales covered by postcode 2264. Postcode 2264 State or territory New South Wales (NSW) Region Gosford Add a free Mirrabooka business listing Be the first listing in Mirrabooka Common questionsWhat is the postcode for Mirrabooka?Mirrabooka, NSW has the postcode 2264.What state is Mirrabooka in?Mirrabooka is in New South Wales (NSW).Does postcode 2264 cover more than one suburb?Yes. Postcode 2264 covers 14 localities, so the postcode alone does not identify Mirrabooka. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.