700-0075 is a postalcode and its consensus geometry is derived from gn.
{"gn:adm1_code":"","gn:adm2_name":"Okayamashi","mz:is_ceased":0,"geom:latitude":34.673,"gn:name":"Yasakahonmachi","wof:name":"700-0075","counts:names_total":0,"wof:placetype":"postalcode","mz:is_approximate":1,"wof:hierarchy":[{"continent_id":"102191569","country_id":"85632429","locality_id":102031457,"postalcode_id":538306985,"region_id":85672675}],"mz:is_deprecated":0,"geom:area":0,"geom:longitude":133.8819,"wof:id":538306985,"counts:concordances_total":1,"geom:type":"Point","wof:lastmodified":1474577461,"wof:belongsto":["102191569",102031457,"85632429",85672675],"gn:accuracy":"","gn:adm1_name":"Okayamaken","wof:concordances":{"gp:id":"26296016"},"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":"90035717","wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"JP","counts:names_languages":0,"geom:bbox":"133.8819,34.673,133.8819,34.673","gn:adm2_code":"","wof:superseded_by":[],"wof:supersedes":[],"wof:geomhash":"86e020e11a990e4d71303c0ed47ff288","wof:parent_id":102031457,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}