6456AM is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469688965,"geom:latitude":50.969626,"wof:name":"6456AM","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":404474465,"locality_id":1158817949,"postalcode_id":891140541,"region_id":85687033}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.940825,"wof:id":891140541,"geom:type":"Polygon","wof:lastmodified":1513403727,"clustr:alpha":0.05,"wof:belongsto":[85687033,102191581,404474465,85633337,1158817949],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":1353.019633,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.94038295746,50.9694480896,5.94135093689,50.9698181152","clustr:count":13,"clustr:area":46.19,"clustr:density":0.28,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"2f36efdd1e2d8401fa5e38a3646a8084","wof:parent_id":1158817949,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.13,"edtf:cessation":"uuuu"}