Home Postcode finder NSW Boolambayte Boolambayte postcode NSW Boolambayte is a locality in New South Wales covered by postcode 2423. Postcode 2423 State or territory New South Wales (NSW) Region Hunter Add a free Boolambayte business listing Be the first listing in Boolambayte Common questionsWhat is the postcode for Boolambayte?Boolambayte, NSW has the postcode 2423.What state is Boolambayte in?Boolambayte is in New South Wales (NSW).Does postcode 2423 cover more than one suburb?Yes. Postcode 2423 covers 20 localities, so the postcode alone does not identify Boolambayte. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.