17310 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":45.939693,"wof:name":"17310","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"17","frgov:ID":"17310","frgov:_COL6":3192,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102069983,"empire_id":136253037,"localadmin_id":404383011,"locality_id":101766317,"macrocounty_id":404227833,"macroregion_id":1108826385,"postalcode_id":421298429,"region_id":85683275}],"mz:is_deprecated":0,"frgov:SURF":41.352614,"geom:area":0.00481,"geom:longitude":-1.30531,"wof:id":421298429,"frgov:LIB":"Saint-Pierre-d'Olron","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496506032,"wof:belongsto":[85683275,102191581,404227833,404383011,85633147,1108826385,101766317,136253037,102069983],"wof:concordances":{"gp:id":"12723390"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":6687,"gp:parent_id":"12663563","geom:area_square_m":4.1358753201136E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"-1.37603276247,45.8999348907,-1.22907146665,45.9687981087","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"ac243cbdcc085887d0c209eb0a42e22b","wof:parent_id":101766317,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}