584-0002 is a postalcode and its consensus geometry is derived from gn.
{"gn:adm1_code":"","gn:adm2_name":"Tondabayashishi","mz:is_ceased":0,"geom:latitude":34.527,"gn:name":"Hirachou","wof:name":"584-0002","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":"102191569","country_id":"85632429","locality_id":102031303,"postalcode_id":538279427,"region_id":85672785}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":135.6019,"wof:id":538279427,"counts:concordances_total":1,"geom:type":"Point","wof:lastmodified":1474577419,"wof:belongsto":["102191569",102031303,"85632429",85672785],"gn:accuracy":"","gn:adm1_name":"Oosakafu","wof:concordances":{"gp:id":"26283305"},"wof:repo":"whosonfirst-data-postalcode-jp","gn:adm3_name":"","src:geom":"gn","wof:country":"JP","counts:names_preferred":0,"gn:adm3_code":"","gp:parent_id":"28459388","wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"JP","counts:names_languages":0,"geom:bbox":"135.6019,34.527,135.6019,34.527","gn:adm2_code":"","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"c72feae6d45e0e26919284b3f5ca414e","wof:parent_id":102031303,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}