Home Postcode finder QLD Kioma Kioma postcode QLD Kioma is a locality in Queensland covered by postcode 4498. Postcode 4498 State or territory Queensland (QLD) Region Toowoomba Region Add a free Kioma business listing Be the first listing in Kioma Common questionsWhat is the postcode for Kioma?Kioma, QLD has the postcode 4498.What state is Kioma in?Kioma is in Queensland (QLD).Does postcode 4498 cover more than one suburb?Yes. Postcode 4498 covers 2 localities, so the postcode alone does not identify Kioma. Browse other postcodes in Queensland, or widen the search to every Australian postcode.