Home Postcode finder QLD Langlo Langlo postcode QLD Langlo is a locality in Queensland covered by postcode 4470. Postcode 4470 State or territory Queensland (QLD) Region Toowoomba Region Add a free Langlo business listing Be the first listing in Langlo Common questionsWhat is the postcode for Langlo?Langlo, QLD has the postcode 4470.What state is Langlo in?Langlo is in Queensland (QLD).Does postcode 4470 cover more than one suburb?Yes. Postcode 4470 covers 6 localities, so the postcode alone does not identify Langlo. Browse other postcodes in Queensland, or widen the search to every Australian postcode.