6661ZE is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689829,"geom:latitude":51.920605,"wof:name":"6661ZE","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474651,"locality_id":101808683,"postalcode_id":891161187,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.836543,"wof:id":891161187,"geom:type":"Polygon","wof:lastmodified":1469689829,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474651,85633337,101808683],"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":"5.83477640152,51.920501709,5.83788919449,51.9206924438","clustr:count":13,"clustr:area":10.22,"clustr:density":1.27,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"f7e43675aeb1ff3c6b8b10c7eeec7cf4","wof:parent_id":101808683,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.43,"edtf:cessation":"uuuu"}