6904MH is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469690780,"geom:latitude":51.930213,"wof:name":"6904MH","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404473957,"locality_id":101809869,"postalcode_id":891184325,"region_id":85687043}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":6.055207,"wof:id":891184325,"geom:type":"Polygon","wof:lastmodified":1469690780,"clustr:alpha":0.05,"wof:belongsto":[85687043,102191581,404473957,85633337,101809869],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"6.05451154709,51.9295082092,6.05606889725,51.9307250977","clustr:count":22,"clustr:area":2.73,"clustr:density":8.05,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"f0100c154312bf258656fa8468f0f2d9","wof:parent_id":101809869,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.35,"edtf:cessation":"uuuu"}