SW1A 1LG is a postalcode and its consensus geometry is derived from os.
{"os:positional_quality_indicator":"8","date:inception_upper":"1983-03-01","geom:latitude":51.506893,"wof:name":"SW1A 1LG","counts:names_total":0,"mz:is_current":0,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633159,"empire_id":136253055,"postalcode_id":1712725547,"postalregion_id":1864210853}],"date:cessation_outer_end":804643199,"date:cessation_inner_end":804643199,"geom:area":0,"date:cessation_lower":"1995-07-01","date:inception_inner_end":415411199,"geom:type":"Point","wof:lastmodified":1709396138,"wof:belongsto":[85633159,102191581,136253055,1864210853],"wof:repo":"whosonfirst-data-postalcode-gb","date:inception_lower":"1983-03-01","wof:country":"GB","counts:names_preferred":0,"os:region_code":"E12000007","counts:names_variant":0,"wof:breaches":[],"edtf:inception":"1983-03-01","iso:country":"GB","geom:bbox":"-0.141204,51.506893,-0.141204,51.506893","date:inception_outer_start":415324800,"wof:superseded_by":[],"wof:geomhash":"b8590ff01cae8e4db14dcce829c8a43f","wof:placetype_id":470996387,"os:district_code":"E09000033","date:cessation_upper":"1995-07-01","mz:is_ceased":1,"wof:created":1583800826,"wof:placetype":"postalcode","mz:is_deprecated":0,"date:cessation_inner_start":804556800,"geom:longitude":-0.141204,"date:inception_inner_start":415324800,"wof:id":1712725547,"os:county_code":"E99999999","date:inception_outer_end":415411199,"date:cessation_outer_start":804556800,"src:geom":"os","wof:tags":[],"counts:names_languages":0,"os:country_code":"E92000001","wof:supersedes":[],"wof:parent_id":1864210853,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"edtf:cessation":"1995-07-01"}