CH1 2JN is a postalcode and its consensus geometry is derived from os.
{"os:positional_quality_indicator":"1","date:inception_upper":"1980-01-01","geom:latitude":53.192587,"wof:name":"CH1 2JN","counts:names_total":0,"mz:is_current":0,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633159,"empire_id":136253055,"postalcode_id":39681882,"postalregion_id":1864206239}],"date:cessation_outer_end":959903999,"date:cessation_inner_end":959903999,"geom:area":0,"date:cessation_lower":"2000-06-01","date:inception_inner_end":315619199,"geom:type":"Point","wof:lastmodified":1709396183,"wof:belongsto":[85633159,102191581,136253055,1864206239],"wof:repo":"whosonfirst-data-postalcode-gb","date:inception_lower":"1980-01-01","wof:country":"GB","counts:names_preferred":0,"os:region_code":"E12000002","counts:names_variant":0,"wof:breaches":[],"edtf:inception":"1980-01-01","iso:country":"GB","geom:bbox":"-2.893908,53.192587,-2.893908,53.192587","date:inception_outer_start":315532800,"wof:superseded_by":[],"wof:geomhash":"00da9783f4df5a02a73a3381946c84b9","wof:placetype_id":470996387,"os:district_code":"E06000050","date:cessation_upper":"2000-06-01","mz:is_ceased":1,"wof:created":1583804107,"wof:placetype":"postalcode","mz:is_deprecated":0,"date:cessation_inner_start":959817600,"geom:longitude":-2.893908,"date:inception_inner_start":315532800,"wof:id":39681882,"os:county_code":"E99999999","date:inception_outer_end":315619199,"date:cessation_outer_start":959817600,"src:geom":"os","wof:tags":[],"counts:names_languages":0,"os:country_code":"E92000001","wof:supersedes":[],"wof:parent_id":1864206239,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"edtf:cessation":"2000-06-01"}