6122 is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"geom:latitude":51.042817,"wof:name":"6122","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474675,"locality_id":101839209,"postalcode_id":538955709,"region_id":85687033}],"mz:is_deprecated":0,"geom:area":8.1E-5,"geom:longitude":5.811618,"wof:id":538955709,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1469544088,"clustr:alpha":1,"wof:belongsto":[85687033,102191581,404474675,85633337,101839209],"mz:is_clustr":1,"wof:concordances":{"gp:id":"12852544"},"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"gp:parent_id":"12592397","geom:area_square_m":628853.721139,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.80568933487,51.0383033752,5.8185505867,51.0481910706","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"3fa8bbfd0b5a3721d96697a1574aa4dc","wof:parent_id":101839209,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}