29790 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":48.054442,"wof:name":"29790","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"29","frgov:ID":"29790","frgov:_COL6":1984.303,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102070335,"localadmin_id":404382801,"macrocounty_id":404228217,"macroregion_id":404227447,"postalcode_id":421300185,"region_id":85683553}],"mz:is_deprecated":0,"frgov:SURF":78.716183,"geom:area":0.009524,"geom:longitude":-4.468846,"wof:id":421300185,"frgov:LIB":"Pont-Croix","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1480938990,"wof:belongsto":[85683553,102191581,85633147,404382801,404228217,404227447,102070335],"wof:concordances":{"gp:id":"12724171"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":4614,"gp:parent_id":"12591797","geom:area_square_m":7.8721621103696E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"-4.5831454148,48.0024028892,-4.35913945147,48.0989431594","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"362de9b45164503d60b9bc4d3012dece","wof:parent_id":404382801,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}