67730 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":39.805779,"wof:name":"67730","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102084169,"localadmin_id":404505599,"postalcode_id":554739229,"region_id":85688555}],"mz:is_deprecated":0,"lbl:latitude":39.808974,"mz:postal_locality_alt":["Winona"],"geom:area":0.104306,"geom:longitude":-101.105864,"wof:id":554739229,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611182652,"wof:belongsto":[102191575,85633793,102084169,404505599,85688555],"wof:concordances":{"gp:id":"12787393"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12588447","geom:area_square_m":9.90820681983894E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-101.299274,39.567917,-100.86092,40.002586","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-101.111247,"wof:geomhash":"ab2d88804041e45bf8fe4b230bdaa06a","wof:parent_id":404505599,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Atwood"}