springfield postcode wa Home ›› Postcode Finder ›› WA ›› Springfield Springfield local listingsThe suburb of Springfield is located in WA and has a postcode of 6525. Free springfield business listing! 1Tritel Communications Inc1655 S. Enterprise 888-888-94942Tritel Web Design1655 S. Enterprise 4178779500 View more business listings in springfield Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.