Home Postcode finder QLD Yowah Yowah postcode QLD Yowah is a locality in Queensland covered by postcode 4490. Postcode 4490 State or territory Queensland (QLD) Region Toowoomba Region Add a free Yowah business listing More business listings in Yowah Businesses in YowahYowah State School5 Harlequin Drive · 07 46554126 Common questionsWhat is the postcode for Yowah?Yowah, QLD has the postcode 4490.What state is Yowah in?Yowah is in Queensland (QLD).Does postcode 4490 cover more than one suburb?Yes. Postcode 4490 covers 11 localities, so the postcode alone does not identify Yowah. Browse other postcodes in Queensland, or widen the search to every Australian postcode.