Home Postcode finder QLD Greenup Greenup postcode QLD Greenup is a locality in Queensland covered by postcode 4387. Postcode 4387 State or territory Queensland (QLD) Region Toowoomba Region Add a free Greenup business listing Be the first listing in Greenup Common questionsWhat is the postcode for Greenup?Greenup, QLD has the postcode 4387.What state is Greenup in?Greenup is in Queensland (QLD).Does postcode 4387 cover more than one suburb?Yes. Postcode 4387 covers 9 localities, so the postcode alone does not identify Greenup. Browse other postcodes in Queensland, or widen the search to every Australian postcode.