54971 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":43.856121,"wof:name":"54971","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081759,"localadmin_id":404493521,"locality_id":101733135,"postalcode_id":554728873,"region_id":85688517}],"mz:is_deprecated":0,"lbl:latitude":43.857164,"geom:area":0.033099,"geom:longitude":-88.829815,"wof:id":554728873,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611185055,"wof:belongsto":[102191575,85633793,102081759,404493521,101733135,85688517],"wof:concordances":{"gp:id":"12781647"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"2347608","geom:area_square_m":2.95124590170141E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-88.976205,43.75705,-88.660784,43.982822","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-88.828882,"wof:geomhash":"22709d037b41e2bf39ab0d54b9ff198e","wof:parent_id":101733135,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Ripon"}