6686DT is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689950,"geom:latitude":51.886151,"wof:name":"6686DT","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":-1,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474617,"locality_id":101808665,"postalcode_id":891164467,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.997825,"wof:id":891164467,"geom:type":"Polygon","wof:lastmodified":1513366813,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474617,85633337,101808665],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":1143.237321,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.99750757217,51.8859977722,5.9981341362,51.8863220215","clustr:count":6,"clustr:area":34.15,"clustr:density":0.18,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"32388a273c55f751c1bf19d40dca1039","wof:parent_id":101808665,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.11,"edtf:cessation":"uuuu"}