3891ER is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469679887,"geom:latitude":52.332132,"wof:name":"3891ER","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":-1,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"locality_id":101808771,"postalcode_id":890916927,"region_id":85687049}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.544892,"wof:id":890916927,"geom:type":"Polygon","wof:lastmodified":1513298558,"clustr:alpha":0.05,"wof:belongsto":[102191581,101808771,85633337,85687049],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":2076.056025,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.54447603226,52.3317565918,5.54553222656,52.3324050903","clustr:count":25,"clustr:area":11.79,"clustr:density":2.12,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"5d0e38799aa9e95a15507a25c350fee5","wof:parent_id":101808771,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.21,"edtf:cessation":"uuuu"}