Home Postcode finder QLD Greenlands Greenlands postcode QLD Greenlands is a locality in Queensland covered by postcode 4380. Postcode 4380 State or territory Queensland (QLD) Region Toowoomba Region Add a free Greenlands business listing Be the first listing in Greenlands Common questionsWhat is the postcode for Greenlands?Greenlands, QLD has the postcode 4380.What state is Greenlands in?Greenlands is in Queensland (QLD).Does postcode 4380 cover more than one suburb?Yes. Postcode 4380 covers 19 localities, so the postcode alone does not identify Greenlands. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in Queensland, or widen the search to every Australian postcode.