Home Postcode finder QLD Elbow Valley Elbow Valley postcode QLD Elbow Valley is a locality in Queensland covered by postcode 4370. Postcode 4370 State or territory Queensland (QLD) Region Toowoomba Region Add a free Elbow Valley business listing Be the first listing in Elbow Valley Common questionsWhat is the postcode for Elbow Valley?Elbow Valley, QLD has the postcode 4370.What state is Elbow Valley in?Elbow Valley is in Queensland (QLD).Does postcode 4370 cover more than one suburb?Yes. Postcode 4370 covers 46 localities, so the postcode alone does not identify Elbow Valley. Browse other postcodes in Queensland, or widen the search to every Australian postcode.