Home Postcode finder QLD Fairfield Fairfield postcode QLD Fairfield is a locality in Queensland covered by postcode 4103. Postcode 4103 State or territory Queensland (QLD) Region Heathwood Add a free Fairfield business listing More business listings in Fairfield Businesses in Fairfield21Twelve Interactive LLPunit 8/18 Glena Street, Fairfield Brisbane, Queensland 4103, Australia · (07) 3040 1210Najmi Dental180 Fairfield Road, Fairfield QLD, Australia · 07 3846 2006Yeronga Vet Surgery17 Railway Rd, Fairfield QLD, Australia · (07) 3848 5775 Common questionsWhat is the postcode for Fairfield?Fairfield, QLD has the postcode 4103.What state is Fairfield in?Fairfield is in Queensland (QLD).Does postcode 4103 cover more than one suburb?Yes. Postcode 4103 covers 3 localities, so the postcode alone does not identify Fairfield. Browse other postcodes in Queensland, or widen the search to every Australian postcode.