Home Postcode finder QLD North Mackay North Mackay postcode QLD North Mackay is a locality in Queensland covered by postcode 4740. Postcode 4740 State or territory Queensland (QLD) Region Central QLD Add a free North Mackay business listing More business listings in North Mackay Businesses in North MackayDust Busters Cleaning Services AustShoal point · 07 49546596Essence Early Learning Mackay51-53 Grendon Street, North Mackay QLD 4740, Australia · (07) 4957 4466Fitzgerald State School54-56 Norris Rd · 07 49656333 Common questionsWhat is the postcode for North Mackay?North Mackay, QLD has the postcode 4740.What state is North Mackay in?North Mackay 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 North Mackay. Browse other postcodes in Queensland, or widen the search to every Australian postcode.