6657KE is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469689788,"geom:latitude":51.878274,"wof:name":"6657KE","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":404474305,"locality_id":101808607,"postalcode_id":891160051,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":3.0E-6,"geom:longitude":5.549662,"wof:id":891160051,"geom:type":"Polygon","wof:lastmodified":1513366700,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404474305,85633337,101808607],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":23340.65021,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.5470328331,51.8765945435,5.55458116531,51.8793945312","clustr:count":6,"clustr:area":12.7,"clustr:density":0.47,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"c197f96d8b9d6def66b139dd03b1a6a7","wof:parent_id":101808607,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":1.21,"edtf:cessation":"uuuu"}