54946 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":44.336605,"wof:name":"54946","counts:names_total":0,"wof:placetype":"postalcode","wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081823,"localadmin_id":404495463,"locality_id":101733883,"postalcode_id":554771441,"region_id":85688517}],"mz:is_deprecated":0,"lbl:latitude":44.336605,"geom:area":2.0E-6,"geom:longitude":-89.1444,"wof:id":554771441,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1480829342,"wof:belongsto":[85688517,102191575,404495463,85633793,101733883,102081823],"wof:concordances":{"gp:id":"12781627"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590602","geom:area_square_m":18074.68161,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-89.145542,44.335592,-89.143058,44.337611","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-89.1444,"wof:geomhash":"17d9192f4638828b4bab12e9c2619b94","wof:parent_id":101733883,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}