4751GA is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469682687,"geom:latitude":51.58518,"wof:name":"4751GA","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474565,"locality_id":101808321,"postalcode_id":890981047,"region_id":85687035}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":4.454775,"wof:id":890981047,"geom:type":"Polygon","wof:lastmodified":1469682687,"clustr:alpha":0.05,"wof:belongsto":[85687035,102191581,404474565,85633337,101808321],"mz:is_clustr":1,"wof:repo":"whosonfirst-data-postalcode-nl","src:geom":"oa","wof:country":"NL","counts:names_preferred":0,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NL","counts:names_languages":0,"geom:bbox":"4.45422029495,51.5851287842,4.45571327209,51.5852546692","clustr:count":13,"clustr:area":19.46,"clustr:density":0.67,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"fc65305fb9ebe40dd043c580670e3d58","wof:parent_id":101808321,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.2,"edtf:cessation":"uuuu"}