Home Postcode finder NSW Crestwood Crestwood postcode NSW Crestwood is a locality in New South Wales covered by postcode 2620. Postcode 2620 State or territory New South Wales (NSW) Region Canberra Add a free Crestwood business listing More business listings in Crestwood Businesses in CrestwoodParamount Creations3/31 Lorn Road, Crestwood NSW 2620, Australia · 0451 804 517 Common questionsWhat is the postcode for Crestwood?Crestwood, NSW has the postcode 2620.What state is Crestwood in?Crestwood is in New South Wales (NSW).Does postcode 2620 cover more than one suburb?Yes. Postcode 2620 covers 29 localities, so the postcode alone does not identify Crestwood. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.