Home Postcode finder QLD Middle Ridge Middle Ridge postcode QLD Middle Ridge is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Middle Ridge business listing More business listings in Middle Ridge Businesses in Middle RidgeGabbinbar344 Ramsay Street, Middle Ridge Queensland 4350, Australia · (07) 4602 9027Middle Ridge State School203 Spring St · 07 46874222The Ninth Middle Ridge235 Rowbotham Street, Middle Ridge QLD 4350, Australia · 07 4602 9099 Common questionsWhat is the postcode for Middle Ridge?Middle Ridge, QLD has the postcode 4350.What state is Middle Ridge in?Middle Ridge is in Queensland (QLD).Does postcode 4350 cover more than one suburb?Yes. Postcode 4350 covers 43 localities, so the postcode alone does not identify Middle Ridge. Browse other postcodes in Queensland, or widen the search to every Australian postcode.