Home Postcode finder QLD Newtown Newtown postcode QLD Newtown is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Newtown business listing More business listings in Newtown Businesses in NewtownAngliss Meats109 West Street, Newtown QLD, Australia · +61 7 4632 2165Clifford Park Special School19 Rob St · 07 46145333Pete's Pest Control Toowoomba11 Westbrook Street, Newtown QLD, Australia · 0439 603 212 Common questionsWhat is the postcode for Newtown?Newtown, QLD has the postcode 4350.What state is Newtown in?Newtown is in Queensland (QLD).Does postcode 4350 cover more than one suburb?Yes. Postcode 4350 covers 43 localities, so the postcode alone does not identify Newtown. Browse other postcodes in Queensland, or widen the search to every Australian postcode.