3421ND is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469677670,"geom:latitude":52.02025,"wof:name":"3421ND","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474237,"locality_id":101803691,"postalcode_id":890864719,"region_id":85687039}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.873985,"wof:id":890864719,"geom:type":"Polygon","wof:lastmodified":1469677670,"clustr:alpha":0.05,"wof:belongsto":[85687039,102191581,404474237,85633337,101803691],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.8736615181,52.0201148987,4.87432193756,52.0204620361","clustr:count":14,"clustr:area":22.02,"clustr:density":0.64,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"9ff3d778a07bd435756e53c88495c857","wof:parent_id":101803691,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.11,"edtf:cessation":"uuuu"}