newmarket postcode qldru Home ›› Postcode Finder ›› QLDRU ›› Newmarket Newmarket local listingsThe suburb of Newmarket is located in QLD and has a postcode of 4051. Free newmarket business listing! 1Newmarket State School15 Banks St 07 355272222St Ambrose's Primary School52 Davidson St 07 335641303Professional Counselling & Coaching Services101 Edmondston St 07 3371 4993 View more business listings in newmarket Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.