86420 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":46.902251,"wof:name":"86420","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"86","frgov:ID":"86420","frgov:_COL6":934.1922,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102067597,"empire_id":136253037,"localadmin_id":404388457,"macrocounty_id":404227775,"macroregion_id":1108826385,"postalcode_id":421308905,"region_id":85683185}],"mz:is_deprecated":0,"frgov:SURF":106.964391,"geom:area":0.012662,"geom:longitude":0.207505,"wof:id":421308905,"frgov:LIB":"Monts-sur-Guesnes","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496506028,"wof:belongsto":[85683185,102191581,85633147,404388457,404227775,1108826385,136253037,102067597],"wof:concordances":{"gp:id":"12728002"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":2132,"gp:parent_id":"12597161","geom:area_square_m":1.06973352690092E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"0.125474878507,46.834149988,0.300611807647,46.9624797299","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"086070ee1a3a9c89f713d6ac829c11fb","wof:parent_id":404388457,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}