Home Postcode finder NSWRV Hamilton Valley Hamilton Valley postcode NSWRV Hamilton Valley is a locality in New South Wales covered by postcode 2641. Postcode 2641 State or territory New South Wales (NSWRV) Region Canberra Add a free Hamilton Valley business listing Be the first listing in Hamilton Valley Common questionsWhat is the postcode for Hamilton Valley?Hamilton Valley, NSWRV has the postcode 2641.What state is Hamilton Valley in?Hamilton Valley is in New South Wales (NSWRV).Does postcode 2641 cover more than one suburb?Yes. Postcode 2641 covers 3 localities, so the postcode alone does not identify Hamilton Valley. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.