Home Postcode finder NSW Greg Greg Greg Greg postcode NSW Greg Greg is a locality in New South Wales covered by postcode 2642. Postcode 2642 State or territory New South Wales (NSW) Region Canberra Add a free Greg Greg business listing Be the first listing in Greg Greg Common questionsWhat is the postcode for Greg Greg?Greg Greg, NSW has the postcode 2642.What state is Greg Greg in?Greg Greg is in New South Wales (NSW).Does postcode 2642 cover more than one suburb?Yes. Postcode 2642 covers 20 localities, so the postcode alone does not identify Greg Greg. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.