birrong postcode nswst Home ›› Postcode Finder ›› NSWST ›› Birrong Birrong local listingsThe suburb of Birrong is located in NSW and has a postcode of 2143. Free birrong business listing! 1Birrong Boys High SchoolRodd St 02 964452002Birrong Girls High SchoolCooper Rd 02 964450573Birrong Public School130 Auburn Rd 02 96443078 View more business listings in birrong Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.