Home Postcode finder QLD Kogan Kogan postcode QLD Kogan is a locality in Queensland covered by postcode 4406. Postcode 4406 State or territory Queensland (QLD) Region Toowoomba Region Add a free Kogan business listing More business listings in Kogan Businesses in KoganKogan State SchoolCondamine Highway · 07 46681721 Common questionsWhat is the postcode for Kogan?Kogan, QLD has the postcode 4406.What state is Kogan in?Kogan is in Queensland (QLD).Does postcode 4406 cover more than one suburb?Yes. Postcode 4406 covers 10 localities, so the postcode alone does not identify Kogan. Browse other postcodes in Queensland, or widen the search to every Australian postcode.