Home Postcode finder QLD Beilba Beilba postcode QLD Beilba is a locality in Queensland covered by postcode 4454. Postcode 4454 State or territory Queensland (QLD) Region Toowoomba Region Add a free Beilba business listing Be the first listing in Beilba Common questionsWhat is the postcode for Beilba?Beilba, QLD has the postcode 4454.What state is Beilba in?Beilba is in Queensland (QLD).Does postcode 4454 cover more than one suburb?Yes. Postcode 4454 covers 11 localities, so the postcode alone does not identify Beilba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.