57501 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":44.529331,"wof:name":"57501","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086823,"localadmin_id":404490279,"postalcode_id":554731303,"region_id":85688693}],"mz:is_deprecated":0,"lbl:latitude":44.5276,"mz:postal_locality_alt":["Philip"],"geom:area":0.19998,"geom:longitude":-100.30251,"wof:id":554731303,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183074,"wof:belongsto":[102191575,85633793,102086823,404490279,85688693],"wof:concordances":{"gp:id":"12782959"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"2347600","geom:area_square_m":1.762828682367679E9,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-100.729319,44.23711,-99.805177,44.897695","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-100.309037,"wof:geomhash":"d689e00253bc940a39f3e83fff3da18b","wof:parent_id":404490279,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Pierre"}