Home Postcode finder QLD Taroom Taroom postcode QLD Taroom is a locality in Queensland covered by postcode 4420. Postcode 4420 State or territory Queensland (QLD) Region Toowoomba Region Add a free Taroom business listing More business listings in Taroom Businesses in TaroomSt Mary's SchoolMorgan Ryan St · 07 46273398Taroom State SchoolWolsey St · 07 46289333 Common questionsWhat is the postcode for Taroom?Taroom, QLD has the postcode 4420.What state is Taroom in?Taroom is in Queensland (QLD).Does postcode 4420 cover more than one suburb?Yes. Postcode 4420 covers 8 localities, so the postcode alone does not identify Taroom. Browse other postcodes in Queensland, or widen the search to every Australian postcode.