42780 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":45.851929,"wof:name":"42780","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"42","frgov:ID":"42780","frgov:_COL6":531.593,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102066103,"empire_id":136253037,"localadmin_id":404390273,"locality_id":101767803,"macrocounty_id":404227889,"macroregion_id":1108826389,"postalcode_id":421302061,"region_id":85683377}],"mz:is_deprecated":0,"frgov:SURF":27.727897,"geom:area":0.00322,"geom:longitude":4.349386,"wof:id":421302061,"frgov:LIB":"Violay","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496506760,"wof:belongsto":[85683377,102191581,404227889,404390273,85633147,1108826389,101767803,136253037,102066103],"wof:concordances":{"gp:id":"12724999"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":1338,"gp:parent_id":"12660739","geom:area_square_m":2.7729665123987E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"4.29530439352,45.8245818852,4.39613975118,45.8782805105","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"204c2d73415e230cb484c0bcaad2de2b","wof:parent_id":101767803,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}