2991MJ is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469675606,"geom:latitude":51.856626,"wof:name":"2991MJ","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":-1,"mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"locality_id":101754615,"postalcode_id":890810203,"region_id":85687041}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":4.548357,"wof:id":890810203,"geom:type":"Polygon","wof:lastmodified":1513579260,"clustr:alpha":0.05,"wof:belongsto":[102191581,101754615,85633337,85687041],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":4713.446443,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.54799222946,51.8560562134,4.54889154434,51.8575325012","clustr:count":36,"clustr:area":23.66,"clustr:density":1.52,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"7b8f5e46acc3e96ef8ef9964c0d764eb","wof:parent_id":101754615,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.31,"edtf:cessation":"uuuu"}