Home Postcode finder QLD Mansfield Mansfield postcode QLD Mansfield is a locality in Queensland covered by postcode 4122. Postcode 4122 State or territory Queensland (QLD) Region South Subs Add a free Mansfield business listing More business listings in Mansfield Businesses in MansfieldAdvanced Clean Air6/17 Morrison Cl, Mansfield QLD 4122, Australia · 1300232167Besthomebusiness-Finder113 Ham Road · +61 414 505 727Besthomebusiness-Finder113 Ham Road · 09174518281 Common questionsWhat is the postcode for Mansfield?Mansfield, QLD has the postcode 4122.What state is Mansfield in?Mansfield is in Queensland (QLD).Does postcode 4122 cover more than one suburb?Yes. Postcode 4122 covers 5 localities, so the postcode alone does not identify Mansfield. Browse other postcodes in Queensland, or widen the search to every Australian postcode.