47850 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":39.245837,"wof:name":"47850","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086463,"localadmin_id":404501523,"postalcode_id":554723693,"region_id":85688709}],"mz:is_deprecated":0,"lbl:latitude":39.251931,"geom:area":0.01385,"geom:longitude":-87.431357,"wof:id":554723693,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183787,"wof:belongsto":[102191575,85633793,102086463,404501523,85688709],"wof:concordances":{"gp:id":"12778408"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12588256","geom:area_square_m":1.32627180223017E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-87.56864,39.201438,-87.280264,39.288418","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-87.435782,"wof:geomhash":"056c099c21c09049a9216d31b92db2e0","wof:parent_id":404501523,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Farmersburg"}