"on the official website that's the name... https://www.nzpost.co.nz/tools/find-nz-post/location/60248-mana-central-box-lobby

not sure about the change :)"
OSM snapshot date: 2022-12-16T15:17:23Z
POI name: Mana Post Office
POI types: amenity-post_box
 #organicmaps