5421NJ is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469685151,"geom:latitude":51.564472,"wof:name":"5421NJ","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474563,"locality_id":101808241,"postalcode_id":891043789,"region_id":85687035}],"mz:is_deprecated":0,"geom:area":5.0E-6,"geom:longitude":5.672468,"wof:id":891043789,"geom:type":"Polygon","wof:lastmodified":1469685151,"clustr:alpha":0.05,"wof:belongsto":[85687035,102191581,404474563,85633337,101808241],"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":"5.66910123825,51.5625495911,5.67655658722,51.5661239624","clustr:count":28,"clustr:area":16.32,"clustr:density":1.72,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"bab7d84e9b689b17cb4f1ccecac9bc3d","wof:parent_id":101808241,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":1.27,"edtf:cessation":"uuuu"}