57530 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":49.096804,"wof:name":"57530","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"57","frgov:ID":"57530","frgov:_COL6":4543.2845,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102068683,"empire_id":136253037,"localadmin_id":404370541,"macrocounty_id":404228321,"macroregion_id":1108826391,"postalcode_id":421303947,"region_id":85683271}],"mz:is_deprecated":0,"frgov:SURF":152.792733,"geom:area":0.018873,"geom:longitude":6.37169,"wof:id":421303947,"frgov:LIB":"Courcelles-Chaussy","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496504891,"wof:belongsto":[85683271,102191581,85633147,404370541,404228321,1108826391,136253037,102068683],"wof:concordances":{"gp:id":"12725832"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":12415,"gp:parent_id":"12597171","geom:area_square_m":1.52803717636403E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"6.23917824204,49.0364582818,6.49934906716,49.1916694813","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"9f22b31e6f5b151280ba69d9c991a71f","wof:parent_id":404370541,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}