6681DG is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689927,"geom:latitude":51.892625,"wof:name":"6681DG","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474617,"locality_id":101837741,"postalcode_id":891163807,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":5.892577,"wof:id":891163807,"geom:type":"Polygon","wof:lastmodified":1469689927,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474617,85633337,101837741],"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":"5.89145040512,51.8919944763,5.89395570755,51.8930053711","clustr:count":17,"clustr:area":161.6,"clustr:density":0.11,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"91fc9e29de6cc9fee2729074929b236c","wof:parent_id":101837741,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.32,"edtf:cessation":"uuuu"}