2101JT is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469671568,"geom:latitude":52.356441,"wof:name":"2101JT","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474073,"locality_id":101754813,"postalcode_id":890707249,"region_id":85687053}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.621903,"wof:id":890707249,"geom:type":"Polygon","wof:lastmodified":1469671568,"clustr:alpha":0.05,"wof:belongsto":[85687053,102191581,404474073,85633337,101754813],"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":"4.62185096741,52.3563804626,4.62195682526,52.356502533","clustr:count":5,"clustr:area":5.43,"clustr:density":0.92,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"fc97924f8438f525d43519ddc1da5e71","wof:parent_id":101754813,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.02,"edtf:cessation":"uuuu"}