4721AW is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469682581,"geom:latitude":51.499675,"wof:name":"4721AW","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474417,"locality_id":101808289,"postalcode_id":890979139,"region_id":85687035}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.557637,"wof:id":890979139,"geom:type":"Polygon","wof:lastmodified":1469682581,"clustr:alpha":0.05,"wof:belongsto":[85687035,102191581,404474417,85633337,101808289],"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":"4.55724525452,51.4992179871,4.55818748474,51.4999656677","clustr:count":19,"clustr:area":1.83,"clustr:density":10.36,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"9d9a6e200f00f5fb67dc9ed6706a6994","wof:parent_id":101808289,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.16,"edtf:cessation":"uuuu"}