2291PX is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469672650,"geom:latitude":52.028398,"wof:name":"2291PX","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":404474667,"locality_id":101754721,"postalcode_id":890732219,"region_id":85687041}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":4.275396,"wof:id":890732219,"geom:type":"Polygon","wof:lastmodified":1513577810,"clustr:alpha":0.05,"wof:belongsto":[85687041,102191581,404474667,85633337,101754721],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":4387.398029,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.27473497391,52.0279846191,4.27597141266,52.0287857056","clustr:count":28,"clustr:area":53.47,"clustr:density":0.52,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"3af7414756764a4c231ef0386841192a","wof:parent_id":101754721,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.22,"edtf:cessation":"uuuu"}