Home Postcode finder QLD Teelba Teelba postcode QLD Teelba is a locality in Queensland covered by postcode 4423. Postcode 4423 State or territory Queensland (QLD) Region Toowoomba Region Add a free Teelba business listing Be the first listing in Teelba Common questionsWhat is the postcode for Teelba?Teelba, QLD has the postcode 4423.What state is Teelba in?Teelba is in Queensland (QLD).Does postcode 4423 cover more than one suburb?Yes. Postcode 4423 covers 2 localities, so the postcode alone does not identify Teelba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.