springfield postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Springfield Springfield local listingsThe suburb of Springfield is located in NSW and has a postcode of 2250. Free springfield business listing! 1BlockTech Brew18 Karwin Avenue, Springfield NSW, Australia +133223360332Chertsey Public SchoolWillow Rd 02 432539633Antier Solutions18 Karwin Ave Springfield NSW 2250 9855078699 View more business listings in springfield Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.