Home Postcode finder WA Springfield Springfield postcode WA Springfield is a locality in Western Australia covered by postcode 6525. Postcode 6525 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Springfield business listing More business listings in Springfield Businesses in SpringfieldTritel Communications Inc1655 S. Enterprise · 888-888-9494Tritel Web Design1655 S. Enterprise · 4178779500 Common questionsWhat is the postcode for Springfield?Springfield, WA has the postcode 6525.What state is Springfield in?Springfield is in Western Australia (WA).Does postcode 6525 cover more than one suburb?Yes. Postcode 6525 covers 12 localities, so the postcode alone does not identify Springfield. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.