3991AS is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469680341,"geom:latitude":52.021079,"wof:name":"3991AS","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404473987,"locality_id":101807003,"postalcode_id":890927133,"region_id":85687039}],"mz:is_deprecated":0,"geom:area":3.0E-6,"geom:longitude":5.17119,"wof:id":890927133,"geom:type":"Polygon","wof:lastmodified":1469680341,"clustr:alpha":0.05,"wof:belongsto":[85687039,102191581,404473987,85633337,101807003],"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":"5.16979885101,52.0201377869,5.17258262634,52.0219421387","clustr:count":44,"clustr:area":15.7,"clustr:density":2.8,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"9e2dd597f2d596579681201ffcd5f6b7","wof:parent_id":101807003,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.55,"edtf:cessation":"uuuu"}