Home Postcode finder QLD Mackay West Mackay West postcode QLD Mackay West is a locality in Queensland covered by postcode 4740. Postcode 4740 State or territory Queensland (QLD) Region Central QLD Add a free Mackay West business listing More business listings in Mackay West Businesses in Mackay WestMackay West State SchoolPinder St · 07 49515111St Francis Xavier SchoolCnr Bridge Rd & Mackenzie St · 07 49511861 Common questionsWhat is the postcode for Mackay West?Mackay West, QLD has the postcode 4740.What state is Mackay West in?Mackay West is in Queensland (QLD).Does postcode 4740 cover more than one suburb?Yes. Postcode 4740 covers 50 localities, so the postcode alone does not identify Mackay West. Browse other postcodes in Queensland, or widen the search to every Australian postcode.