Home Postcode finder NSW Bidwill Bidwill postcode NSW Bidwill is a locality in New South Wales covered by postcode 2770. Postcode 2770 State or territory New South Wales (NSW) Region Nepean Add a free Bidwill business listing More business listings in Bidwill Businesses in BidwillBidwill Public SchoolBunya Rd · 02 96282444Blacktown Youth College39 Mackellar Rd · 02 96288072Chifley CollegeBunya Rd · 02 96282222 Common questionsWhat is the postcode for Bidwill?Bidwill, NSW has the postcode 2770.What state is Bidwill in?Bidwill is in New South Wales (NSW).Does postcode 2770 cover more than one suburb?Yes. Postcode 2770 covers 13 localities, so the postcode alone does not identify Bidwill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.