77640 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":48.905977,"wof:name":"77640","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"77","frgov:ID":"77640","frgov:_COL6":1648.305,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102066447,"localadmin_id":404360197,"macrocounty_id":404227753,"macroregion_id":404227465,"postalcode_id":421307635,"region_id":85683385}],"mz:is_deprecated":0,"frgov:SURF":55.368672,"geom:area":0.006813,"geom:longitude":3.101494,"wof:id":421307635,"frgov:LIB":"Jouarre","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480938902,"wof:belongsto":[85683385,102191581,85633147,404360197,404227753,404227465,102066447],"wof:concordances":{"gp:id":"12727438"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":4790,"gp:parent_id":"12597137","geom:area_square_m":5.537344608752E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"3.02709924094,48.8607431146,3.18922100606,48.9496778028","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"4e85b67e33417a64cc6366b92deb3f5d","wof:parent_id":404360197,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}