02210 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":42.347595,"wof:name":"02210","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102084423,"localadmin_id":404476573,"locality_id":85950361,"postalcode_id":554778391,"region_id":85688645}],"mz:is_deprecated":0,"lbl:latitude":42.347471,"mz:postal_locality_alt":["South Boston"],"geom:area":4.16E-4,"geom:longitude":-71.038928,"wof:id":554778391,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183424,"wof:belongsto":[102191575,85633793,102084423,404476573,85950361,85688645],"wof:concordances":{"gp:id":"12758778"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":3798250.250305,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-71.056246,42.337988,-71.012357,42.359733","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-71.039271,"wof:geomhash":"2527939468fb6abed4b7a9795f8dfe7c","wof:parent_id":85950361,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Boston"}