Home Postcodes by state QLD Southwood Southwood postcode QLD Southwood is a locality in Queensland covered by postcode 4406. Postcode 4406 State or territory Queensland (QLD) Region Toowoomba Region Council area Western Downs Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Southwood business listing Be the first listing in Southwood Also in postcode 4406BoondandillaQLD 4406HannafordQLD 4406JimbourQLD 4406KaimkillenbunQLD 4406KoganQLD 4406MacalisterQLD 4406MoonieQLD 4406The GumsQLD 4406Weir RiverQLD 4406 Common questionsWhat is the postcode for Southwood?Southwood, QLD has the postcode 4406.What state is Southwood in?Southwood is in Queensland (QLD).What council is Southwood in?Southwood is in the Western Downs local government area.Does postcode 4406 cover more than one suburb?Yes. Postcode 4406 covers 10 localities, so the postcode alone does not identify Southwood. Browse other postcodes in Queensland, or widen the search to every Australian postcode.