6674BM is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689910,"geom:latitude":51.911723,"wof:name":"6674BM","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474651,"locality_id":101808581,"postalcode_id":891163327,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.738827,"wof:id":891163327,"geom:type":"Polygon","wof:lastmodified":1469689910,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474651,85633337,101808581],"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":"5.73833560944,51.9115600586,5.73944044113,51.9119262695","clustr:count":8,"clustr:area":9.07,"clustr:density":0.88,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"032511b681653ec15fdab55dded9af8f","wof:parent_id":101808581,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.17,"edtf:cessation":"uuuu"}