6031NR is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469687442,"geom:latitude":51.298968,"wof:name":"6031NR","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":404474507,"locality_id":101839269,"postalcode_id":891103999,"region_id":85687033}],"mz:is_deprecated":0,"geom:area":2.0E-6,"geom:longitude":5.750223,"wof:id":891103999,"geom:type":"Polygon","wof:lastmodified":1513403281,"clustr:alpha":0.05,"wof:belongsto":[85687033,102191581,404474507,85633337,101839269],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":12308.526404,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"5.74986362457,51.2960205078,5.75077581406,51.3012390137","clustr:count":6,"clustr:area":10.5,"clustr:density":0.57,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"1ea7638af5bd01b1bd2f81b2b0d77167","wof:parent_id":101839269,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":1.16,"edtf:cessation":"uuuu"}