63473 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.249117,"wof:name":"63473","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102085339,"localadmin_id":404517327,"postalcode_id":554736025,"region_id":85688661}],"mz:is_deprecated":0,"lbl:latitude":40.246853,"geom:area":0.01884,"geom:longitude":-91.785181,"wof:id":554736025,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183025,"wof:belongsto":[102191575,85633793,102085339,404517327,85688661],"wof:concordances":{"gp:id":"12785746"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589021","geom:area_square_m":1.7780945785634E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-91.893595,40.162682,-91.626751,40.328193","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-91.783858,"wof:geomhash":"f78db5c9f02d9f61f90b9d2aba28892c","wof:parent_id":404517327,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Williamstown"}