hay postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Hay Hay local listingsThe suburb of Hay is located in NSW and has a postcode of 2711. Free hay business listing! 1Local Dental Carrathool Shire91A Lachlan St (02) 6993 33722Hay Public School201-217 Lachlan St 02 699312703St Mary's School440 Moppett St 02 69931775 View more business listings in hay Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.