Home Postcode finder QLD Toowoomba City Toowoomba City postcode QLD Toowoomba City is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Toowoomba City business listing More business listings in Toowoomba City Businesses in Toowoomba CityAged Care Financial Advisers300 Ruthven Street, Toowoomba City QLD, Australia · 1300550940Apex Plasterers Toowoombasuite 165/58-62 Water St, Toowoomba City QLD, Australia · 0410515757Blatchs Mechanical Repairs13 Wylie St, Toowoomba City QLD 4350, Australia · 07 4638 3533 Common questionsWhat is the postcode for Toowoomba City?Toowoomba City, QLD has the postcode 4350.What state is Toowoomba City in?Toowoomba City 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 Toowoomba City. Browse other postcodes in Queensland, or widen the search to every Australian postcode.