75428 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":33.268488,"wof:name":"75428","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102080661,"postalcode_id":554744525,"region_id":85688753}],"mz:is_deprecated":0,"lbl:latitude":33.271869,"mz:postal_locality_alt":["Sulphur Springs"],"geom:area":0.02194,"geom:longitude":-95.916051,"wof:id":554744525,"counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1611184752,"wof:belongsto":[102191575,85633793,102080661,85688753],"wof:concordances":{"gp:id":"12790575"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":2.26829745534887E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-96.032118,33.19531,-95.75964,33.365563","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-95.917415,"wof:geomhash":"2275a3ce8abd3f8422adb685ee8f05a1","wof:parent_id":102080661,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Commerce"}