Home Postcode finder QLD Fletcher Fletcher postcode QLD Fletcher is a locality in Queensland covered by postcode 4381. Postcode 4381 State or territory Queensland (QLD) Region Toowoomba Region Add a free Fletcher business listing Be the first listing in Fletcher Common questionsWhat is the postcode for Fletcher?Fletcher, QLD has the postcode 4381.What state is Fletcher in?Fletcher is in Queensland (QLD).Does postcode 4381 cover more than one suburb?Yes. Postcode 4381 covers 2 localities, so the postcode alone does not identify Fletcher. Browse other postcodes in Queensland, or widen the search to every Australian postcode.