ashfield postcode nswst Home ›› Postcode Finder ›› NSWST ›› Ashfield Ashfield local listingsThe suburb of Ashfield is located in NSW and has a postcode of 2131. Free ashfield business listing! 1Bethlehem College18 Bland St 02 979890992De La Salle College24 Bland St 02 979732003Ashfield Boys High SchoolLiverpool Rd 02 97986620 View more business listings in ashfield Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.