Home Postcode finder NSW Boomey Boomey postcode NSW Boomey is a locality in New South Wales covered by postcode 2866. Postcode 2866 State or territory New South Wales (NSW) Region NSW Country West Add a free Boomey business listing Be the first listing in Boomey Common questionsWhat is the postcode for Boomey?Boomey, NSW has the postcode 2866.What state is Boomey in?Boomey is in New South Wales (NSW).Does postcode 2866 cover more than one suburb?Yes. Postcode 2866 covers 7 localities, so the postcode alone does not identify Boomey. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.