bidwill postcode nswst Home ›› Postcode Finder ›› NSWST ›› Bidwill Bidwill local listingsThe suburb of Bidwill is located in NSW and has a postcode of 2770. Free bidwill business listing! 1Chifley CollegeBunya Rd 02 962822222Blacktown Youth College39 Mackellar Rd 02 962880723Bidwill Public SchoolBunya Rd 02 96282444 View more business listings in bidwill Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.