59865 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":47.328765,"wof:name":"59865","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102085121,"postalcode_id":554733071,"region_id":85688617}],"mz:is_deprecated":0,"lbl:latitude":47.330512,"mz:postal_locality_alt":["St Ignatius"],"geom:area":0.048711,"geom:longitude":-114.010131,"wof:id":554733071,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184218,"wof:belongsto":[102191575,85633793,102085121,85688617],"wof:concordances":{"gp:id":"12783891"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589104","geom:area_square_m":4.08251596158569E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-114.179835,47.241037,-113.821154,47.438955","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-114.010198,"wof:geomhash":"e84323ee39220343b4d9d9348ff91e21","wof:parent_id":102085121,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Saint Ignatius"}