Home Postcode finder QLD Rosalie Plains Rosalie Plains postcode QLD Rosalie Plains is a locality in Queensland covered by postcode 4401. Postcode 4401 State or territory Queensland (QLD) Region Toowoomba Region Add a free Rosalie Plains business listing Be the first listing in Rosalie Plains Common questionsWhat is the postcode for Rosalie Plains?Rosalie Plains, QLD has the postcode 4401.What state is Rosalie Plains in?Rosalie Plains is in Queensland (QLD).Does postcode 4401 cover more than one suburb?Yes. Postcode 4401 covers 16 localities, so the postcode alone does not identify Rosalie Plains. Browse other postcodes in Queensland, or widen the search to every Australian postcode.