6691CL is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689959,"geom:latitude":51.874245,"wof:name":"6691CL","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474617,"locality_id":101808689,"postalcode_id":891164723,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.964968,"wof:id":891164723,"geom:type":"Polygon","wof:lastmodified":1469689959,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474617,85633337,101808689],"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":"5.96476888657,51.8742103577,5.96511745453,51.8742790222","clustr:count":21,"clustr:area":24.36,"clustr:density":0.86,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"6c9b122ec2b4f8500b441909850f84a7","wof:parent_id":101808689,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.04,"edtf:cessation":"uuuu"}