Home Postcode finder QLD Ashfield Ashfield postcode QLD Ashfield is a locality in Queensland covered by postcode 4670. Postcode 4670 State or territory Queensland (QLD) Region Sunshine Coast Add a free Ashfield business listing Be the first listing in Ashfield Common questionsWhat is the postcode for Ashfield?Ashfield, QLD has the postcode 4670.What state is Ashfield in?Ashfield is in Queensland (QLD).Does postcode 4670 cover more than one suburb?Yes. Postcode 4670 covers 52 localities, so the postcode alone does not identify Ashfield. Browse other postcodes in Queensland, or widen the search to every Australian postcode.