1721DB is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469669988,"geom:latitude":52.682925,"wof:name":"1721DB","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":-1,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474093,"locality_id":101754799,"postalcode_id":890670359,"region_id":85687053},{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474093,"locality_id":101754843,"postalcode_id":890670359,"region_id":85687053}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":4.812592,"wof:id":890670359,"geom:type":"Polygon","wof:lastmodified":1513449253,"clustr:alpha":0.05,"wof:belongsto":[85687053,102191581,404474093,85633337,101754799,101754843],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":4200.937216,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.81228637695,52.679977417,4.81292676926,52.6848335266","clustr:count":5,"clustr:area":10.36,"clustr:density":0.48,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"25128f91bac2827388cac456f72b8a06","wof:parent_id":-1,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":1.04,"edtf:cessation":"uuuu"}