4001ER is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469680437,"geom:latitude":51.89046,"wof:name":"4001ER","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404473939,"locality_id":101809879,"postalcode_id":890929475,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.436694,"wof:id":890929475,"geom:type":"Polygon","wof:lastmodified":1469680437,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404473939,85633337,101809879],"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":"5.43648529053,51.8902130127,5.43696117401,51.8907394409","clustr:count":14,"clustr:area":3.24,"clustr:density":4.32,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"ac287eae85898c6390984cbd2b4cc89f","wof:parent_id":101809879,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.13,"edtf:cessation":"uuuu"}