51270 is a postalcode and its consensus geometry is derived from frgov.
{"mz:is_ceased":0,"geom:latitude":48.902331,"wof:name":"51270","counts:names_total":0,"wof:placetype":"postalcode","frgov:DEP":"51","frgov:ID":"51270","frgov:_COL6":1688.8304,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102067631,"empire_id":136253037,"localadmin_id":404404179,"macrocounty_id":404227909,"macroregion_id":1108826391,"postalcode_id":421303109,"region_id":85683405}],"mz:is_deprecated":0,"frgov:SURF":235.006227,"geom:area":0.028914,"geom:longitude":3.78124,"wof:id":421303109,"frgov:LIB":"Montmort-Lucy","counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1496507866,"wof:belongsto":[85683405,102191581,85633147,404404179,404227909,1108826391,136253037,102067631],"wof:concordances":{"gp:id":"12725461"},"wof:repo":"whosonfirst-data-postalcode-fr","src:geom":"frgov","wof:country":"FR","counts:names_preferred":0,"frgov:POP2010":3943,"gp:parent_id":"12597123","geom:area_square_m":2.35022268628424E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","counts:names_languages":0,"geom:bbox":"3.64670345339,48.8059958744,3.90388342502,49.0001360405","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"79768135176ea9b913f8d2f1dc9be470","wof:parent_id":404404179,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}