4221SN is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469680887,"geom:latitude":51.893462,"wof:name":"4221SN","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":404474315,"locality_id":101837707,"postalcode_id":890941663,"region_id":85687041}],"mz:is_deprecated":0,"geom:area":3.0E-6,"geom:longitude":4.972329,"wof:id":890941663,"geom:type":"Polygon","wof:lastmodified":1513583610,"clustr:alpha":0.05,"wof:belongsto":[85687041,102191581,404474315,85633337,101837707],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":19666.745534,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.97122240067,51.891544342,4.97393989563,51.8962593079","clustr:count":5,"clustr:area":2.53,"clustr:density":1.97,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"5b42ea41ab59dfe81e295b97f57fe6e8","wof:parent_id":101837707,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":1.11,"edtf:cessation":"uuuu"}