4121KG is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469680632,"geom:latitude":51.964291,"wof:name":"4121KG","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":404474271,"locality_id":101808453,"postalcode_id":890935033,"region_id":85687039}],"mz:is_deprecated":0,"geom:area":7.0E-6,"geom:longitude":5.164329,"wof:id":890935033,"geom:type":"Polygon","wof:lastmodified":1513620502,"clustr:alpha":0.05,"wof:belongsto":[85687039,102191581,404474271,85633337,101808453],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":54606.586751,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.15735054016,51.9629821777,5.17212486267,51.9657554626","clustr:count":18,"clustr:area":71.82,"clustr:density":0.25,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"92adbd9f3767dcd365c637179cb41337","wof:parent_id":101808453,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":2.09,"edtf:cessation":"uuuu"}