Home Postcode finder QLD Terrica Terrica postcode QLD Terrica is a locality in Queensland covered by postcode 4387. Postcode 4387 State or territory Queensland (QLD) Region Toowoomba Region Add a free Terrica business listing Be the first listing in Terrica Common questionsWhat is the postcode for Terrica?Terrica, QLD has the postcode 4387.What state is Terrica in?Terrica 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 Terrica. Browse other postcodes in Queensland, or widen the search to every Australian postcode.