2721KK is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469674842,"geom:latitude":52.051541,"wof:name":"2721KK","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":101751835,"postalcode_id":890789425,"region_id":85687041}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.538441,"wof:id":890789425,"geom:type":"Polygon","wof:lastmodified":1513578487,"clustr:alpha":0.05,"wof:belongsto":[102191581,101751835,85633337,85687041],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":1651.185973,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.53710794449,52.0512161255,4.54055738449,52.0517311096","clustr:count":36,"clustr:area":63.75,"clustr:density":0.56,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"abeebccb3b9508a3f52adb85ee45c30c","wof:parent_id":101751835,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.45,"edtf:cessation":"uuuu"}