78225 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":29.38799,"wof:name":"78225","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102082471,"locality_id":101724653,"postalcode_id":554746727,"region_id":85688753}],"mz:is_deprecated":0,"lbl:latitude":29.38799,"geom:area":4.72E-4,"geom:longitude":-98.526028,"wof:id":554746727,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184035,"wof:belongsto":[102191575,85633793,102082471,101724653,85688753],"wof:concordances":{"gp:id":"12791990"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":5085710.502032,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-98.544124,29.378432,-98.511286,29.399042","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-98.526028,"wof:geomhash":"4c032b88daaff176ae6c7cb8d74c1f41","wof:parent_id":101724653,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"San Antonio"}