6665GA is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689868,"geom:latitude":51.958537,"wof:name":"6665GA","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474651,"locality_id":101808671,"postalcode_id":891162187,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.814008,"wof:id":891162187,"geom:type":"Polygon","wof:lastmodified":1469689868,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474651,85633337,101808671],"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":"5.81372451782,51.9583816528,5.81426143646,51.9587020874","clustr:count":7,"clustr:area":11.42,"clustr:density":0.61,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"caf9a080401500e4220f642a4779bbe4","wof:parent_id":101808671,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.1,"edtf:cessation":"uuuu"}