mackay-north postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Mackay-North Mackay North local listingsThe suburb of Mackay North is located in QLD and has a postcode of 4740. Free mackay north business listing! Get the first free listing in mackay north! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.