57850 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":48.648009,"wof:name":"57850","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"57","frgov:ID":"57850","frgov:_COL6":1291.578,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102068873,"empire_id":136253037,"localadmin_id":404347907,"macrocounty_id":404228281,"macroregion_id":1108826391,"postalcode_id":421304027,"region_id":85683271}],"mz:is_deprecated":0,"frgov:SURF":54.953319,"geom:area":0.006727,"geom:longitude":7.237369,"wof:id":421304027,"frgov:LIB":"Dabo","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496504895,"wof:belongsto":[85683271,102191581,85633147,404347907,404228281,1108826391,136253037,102068873],"wof:concordances":{"gp:id":"12725868"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":2946,"gp:parent_id":"12597171","geom:area_square_m":5.4958147854908E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"7.17644639934,48.588675623,7.30435515931,48.7057193056","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"f061b0fc5b9e64c0b155ef58c657605b","wof:parent_id":404347907,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}