4921EW is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469683377,"geom:latitude":51.67396,"wof:name":"4921EW","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474631,"locality_id":101808193,"postalcode_id":890997475,"region_id":85687035}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.792943,"wof:id":890997475,"geom:type":"Polygon","wof:lastmodified":1469683377,"clustr:alpha":0.05,"wof:belongsto":[85687035,102191581,404474631,85633337,101808193],"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":"4.79188299179,51.6737594604,4.79383516312,51.6742019653","clustr:count":32,"clustr:area":71.63,"clustr:density":0.45,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"0140ec5feb2b93a2e13c4c434cb8daef","wof:parent_id":101808193,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.26,"edtf:cessation":"uuuu"}