Home Postcode finder QLD Cypress Gardens Cypress Gardens postcode QLD Cypress Gardens is a locality in Queensland covered by postcode 4357. Postcode 4357 State or territory Queensland (QLD) Region Toowoomba Region Add a free Cypress Gardens business listing Be the first listing in Cypress Gardens Common questionsWhat is the postcode for Cypress Gardens?Cypress Gardens, QLD has the postcode 4357.What state is Cypress Gardens in?Cypress Gardens is in Queensland (QLD).Does postcode 4357 cover more than one suburb?Yes. Postcode 4357 covers 26 localities, so the postcode alone does not identify Cypress Gardens. Browse other postcodes in Queensland, or widen the search to every Australian postcode.