Home Postcode finder QLD Charlton Charlton postcode QLD Charlton is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Charlton business listing More business listings in Charlton Businesses in CharltonFoundations CareCharlton Toowoomba, QLD 4350, Australia · 1300 395 005GRIVITYToowoomba Bypass, Charlton QLD, Australia · 0746339841 Common questionsWhat is the postcode for Charlton?Charlton, QLD has the postcode 4350.What state is Charlton in?Charlton 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 Charlton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.