6418KJ is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469688839,"geom:latitude":50.875479,"wof:name":"6418KJ","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":-1,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474485,"locality_id":1158817931,"postalcode_id":891137037,"region_id":85687033}],"mz:is_deprecated":0,"geom:area":2.0E-6,"geom:longitude":6.004237,"wof:id":891137037,"geom:type":"Polygon","wof:lastmodified":1513403703,"clustr:alpha":0.05,"wof:belongsto":[85687033,102191581,404474485,85633337,1158817931],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":15601.760356,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"6.00205373764,50.874584198,6.00690603256,50.8761787415","clustr:count":21,"clustr:area":498.78,"clustr:density":0.04,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"9d2f6f1d2cc6cad8e7c758521e9113ff","wof:parent_id":1158817931,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.45,"edtf:cessation":"uuuu"}