6121JD is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469687761,"geom:latitude":51.032347,"wof:name":"6121JD","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474675,"locality_id":101839201,"postalcode_id":891113027,"region_id":85687033}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":5.807323,"wof:id":891113027,"geom:type":"Polygon","wof:lastmodified":1469687761,"clustr:alpha":0.05,"wof:belongsto":[85687033,102191581,404474675,85633337,101839201],"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":"5.8065776825,51.0318489075,5.80820894241,51.0328102112","clustr:count":20,"clustr:area":143.21,"clustr:density":0.14,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"4aed966865c1738249f775bea37422af","wof:parent_id":101839201,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.24,"edtf:cessation":"uuuu"}