Home Postcode finder QLD Upper Lockyer Upper Lockyer postcode QLD Upper Lockyer is a locality in Queensland covered by postcode 4352. Postcode 4352 State or territory Queensland (QLD) Region Toowoomba Region Add a free Upper Lockyer business listing Be the first listing in Upper Lockyer Common questionsWhat is the postcode for Upper Lockyer?Upper Lockyer, QLD has the postcode 4352.What state is Upper Lockyer in?Upper Lockyer is in Queensland (QLD).Does postcode 4352 cover more than one suburb?Yes. Postcode 4352 covers 71 localities, so the postcode alone does not identify Upper Lockyer. Browse other postcodes in Queensland, or widen the search to every Australian postcode.