5051RW is a postalcode and its consensus geometry is derived from oa.
{"mz:is_ceased":0,"wof:created":1469683774,"geom:latitude":51.518744,"wof:name":"5051RW","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633337,"localadmin_id":404474383,"locality_id":101754577,"postalcode_id":891007917,"region_id":85687035}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":5.061945,"wof:id":891007917,"geom:type":"Polygon","wof:lastmodified":1469683774,"clustr:alpha":0.05,"wof:belongsto":[85687035,102191581,404474383,85633337,101754577],"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":"5.06179952621,51.5179443359,5.06204080582,51.5195884705","clustr:count":20,"clustr:area":17.43,"clustr:density":1.15,"wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"06e08f52569b462a6d1912df8d7ec3dd","wof:parent_id":101754577,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"clustr:perimeter":0.34,"edtf:cessation":"uuuu"}