3721BK is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469678755,"geom:latitude":52.125058,"wof:name":"3721BK","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":404473975,"locality_id":101837657,"postalcode_id":890891863,"region_id":85687039}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.198639,"wof:id":890891863,"geom:type":"Polygon","wof:lastmodified":1513620627,"clustr:alpha":0.05,"wof:belongsto":[85687039,102191581,404473975,85633337,101837657],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":1860.450322,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.19816112518,52.1248397827,5.19910240173,52.1253242493","clustr:count":16,"clustr:area":52.67,"clustr:density":0.3,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"58fe536da648e3c082d46cfe84ac0860","wof:parent_id":101837657,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.12,"edtf:cessation":"uuuu"}