1731RG is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469670030,"geom:latitude":52.751964,"wof:name":"1731RG","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":1158818287,"locality_id":101837951,"postalcode_id":890671343,"region_id":85687053}],"mz:is_deprecated":0,"geom:area":1.0E-6,"geom:longitude":4.897802,"wof:id":890671343,"geom:type":"Polygon","wof:lastmodified":1513461213,"clustr:alpha":0.05,"wof:belongsto":[85687053,102191581,1158818287,85633337,101837951],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"geom:area_square_m":8925.620585,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.89692878723,52.7503967285,4.89888954163,52.7530784607","clustr:count":19,"clustr:area":25.22,"clustr:density":0.75,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"3af256e50a5c91286989f7351a57d308","wof:parent_id":101837951,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.53,"edtf:cessation":"uuuu"}