Home Postcode finder QLD Severnlea Severnlea postcode QLD Severnlea is a locality in Queensland covered by postcode 4380. Postcode 4380 State or territory Queensland (QLD) Region Toowoomba Region Add a free Severnlea business listing More business listings in Severnlea Businesses in SevernleaSevernlea State School14 Turner Rd · 07 46835362 Common questionsWhat is the postcode for Severnlea?Severnlea, QLD has the postcode 4380.What state is Severnlea in?Severnlea is in Queensland (QLD).Does postcode 4380 cover more than one suburb?Yes. Postcode 4380 covers 19 localities, so the postcode alone does not identify Severnlea. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in Queensland, or widen the search to every Australian postcode.