50054 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":41.68835,"wof:name":"50054","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086553,"postalcode_id":554725487,"region_id":85688713}],"mz:is_deprecated":0,"lbl:latitude":41.690374,"geom:area":0.016533,"geom:longitude":-93.235025,"wof:id":554725487,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183279,"wof:belongsto":[102191575,85633793,102086553,85688713],"wof:concordances":{"gp:id":"12779725"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12588321","geom:area_square_m":1.52661526488187E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-93.348507,41.615408,-93.116322,41.746856","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-93.233338,"wof:geomhash":"0e6cfa45bb11796dbe3ca7b7fb678978","wof:parent_id":102086553,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Colfax"}