3901JS is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469679926,"geom:latitude":52.016842,"wof:name":"3901JS","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":101751829,"postalcode_id":890918061,"region_id":85687039}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.560873,"wof:id":890918061,"geom:type":"Polygon","wof:lastmodified":1513619866,"clustr:alpha":0.05,"wof:belongsto":[102191581,101751829,85633337,85687039],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":401.497296,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.56057548523,52.0167617798,5.56113243103,52.0168952942","clustr:count":39,"clustr:area":0.36,"clustr:density":108.83,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"adf5836fcaa9addd27e2a7842f84c4dd","wof:parent_id":101751829,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.09,"edtf:cessation":"uuuu"}