2521XB is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469673552,"geom:latitude":52.067214,"wof:name":"2521XB","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"locality_id":101752763,"postalcode_id":890755495,"region_id":85687041},{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474251,"locality_id":101754743,"postalcode_id":890755495,"region_id":85687041}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.331712,"wof:id":890755495,"geom:type":"Polygon","wof:lastmodified":1491861222,"clustr:alpha":0.05,"wof:belongsto":[102191581,101752763,85633337,85687041,404474251,101754743],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":402.406324,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.33128213882,52.0670623779,4.33213043213,52.0674324036","clustr:count":25,"clustr:area":21.37,"clustr:density":1.17,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"03f099474a41edb23b33b7e4c04fd5e0","wof:parent_id":-1,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.13,"edtf:cessation":"uuuu"}