57428 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":45.452353,"wof:name":"57428","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086789,"localadmin_id":404490047,"postalcode_id":554731211,"region_id":85688693}],"mz:is_deprecated":0,"lbl:latitude":45.452705,"geom:area":0.057317,"geom:longitude":-99.677905,"wof:id":554731211,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183060,"wof:belongsto":[102191575,85633793,102086789,404490047,85688693],"wof:concordances":{"gp:id":"12782916"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589867","geom:area_square_m":4.97177700703035E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-99.853158,45.318401,-99.482166,45.593391","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-99.67822,"wof:geomhash":"7ea27a49bc96418134c7075a796aa53d","wof:parent_id":404490047,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Bowdle"}