175-0081 is a postalcode and its consensus geometry is derived from gn.
{"gn:adm1_code":"","gn:adm2_name":"Itabashiku","mz:is_ceased":0,"geom:latitude":35.796,"gn:name":"Shingashi","wof:name":"175-0081","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":"102191569","country_id":"85632429","locality_id":102031869,"postalcode_id":538183253,"region_id":85672807}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":139.6616,"wof:id":538183253,"counts:concordances_total":1,"geom:type":"Point","wof:lastmodified":1474577275,"wof:belongsto":["102191569",102031869,"85632429",85672807],"gn:accuracy":"","gn:adm1_name":"Toukyouto","wof:concordances":{"gp:id":"26237226"},"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":"28414549","wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"JP","counts:names_languages":0,"geom:bbox":"139.6616,35.796,139.6616,35.796","gn:adm2_code":"","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"cc1974302fda9fdc9d297e1e9f3f3574","wof:parent_id":102031869,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}