Home Postcode finder QLD Blenheim Blenheim postcode QLD Blenheim is a locality in Queensland covered by postcode 4341. Postcode 4341 State or territory Queensland (QLD) Region Western Suburbs Add a free Blenheim business listing More business listings in Blenheim Businesses in BlenheimBlenheim State School77 Blenheim Rd · 07 54664265 Common questionsWhat is the postcode for Blenheim?Blenheim, QLD has the postcode 4341.What state is Blenheim in?Blenheim is in Queensland (QLD).Does postcode 4341 cover more than one suburb?Yes. Postcode 4341 covers 16 localities, so the postcode alone does not identify Blenheim. Browse other postcodes in Queensland, or widen the search to every Australian postcode.