3911SZ is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469680075,"geom:latitude":51.971413,"wof:name":"3911SZ","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474003,"locality_id":101809835,"postalcode_id":890921063,"region_id":85687039}],"mz:is_deprecated":0,"geom:area":2.0E-6,"geom:longitude":5.587481,"wof:id":890921063,"geom:type":"Polygon","wof:lastmodified":1469680075,"clustr:alpha":0.05,"wof:belongsto":[85687039,102191581,404474003,85633337,101809835],"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":"5.58572387695,51.9710388184,5.58942365646,51.9718551636","clustr:count":38,"clustr:area":65.8,"clustr:density":0.58,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"2df04ce00331a5ae98e0b3050907f441","wof:parent_id":101809835,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.51,"edtf:cessation":"uuuu"}