4721SH is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469682582,"geom:latitude":51.500964,"wof:name":"4721SH","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":404474417,"locality_id":101808289,"postalcode_id":890979169,"region_id":85687035}],"mz:is_deprecated":0,"geom:area":5.0E-5,"geom:longitude":4.548984,"wof:id":890979169,"geom:type":"Polygon","wof:lastmodified":1513430974,"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,"geom:area_square_m":383144.948071,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.54035520554,51.4973335266,4.55728673935,51.5053710938","clustr:count":19,"clustr:area":1092.06,"clustr:density":0.02,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"e891d32a6d712ff87258783a84f96729","wof:parent_id":101808289,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":2.53,"edtf:cessation":"uuuu"}