Palmerston North Airport is PMR and Kuala Lumpur Intl Airport is KUL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Kuala Lumpur Subang Airport (SZB), Malacca Batu Berendum Airport (MKZ) are other airports near this flight route and their unique identifiers/IATA codes.