portsmith postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Portsmith Portsmith local listingsThe suburb of Portsmith is located in QLD and has a postcode of 4870. Free portsmith business listing! 1Spaceships Rentals Cairns3 - 52 Fearnley St (02) 8356 29002Novus LogisticPortsmith QLD 07404199853Willmove FNQ12 0401305591 View more business listings in portsmith Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.