75019 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":32.96328,"wof:name":"75019","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102080647,"locality_id":101724393,"postalcode_id":554744159,"region_id":85688753}],"mz:is_deprecated":0,"lbl:latitude":32.963417,"mz:postal_locality_alt":["Lewisville"],"geom:area":0.004565,"geom:longitude":-96.985509,"wof:id":554744159,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184709,"wof:belongsto":[102191575,85633793,102080647,101724393,85688753],"wof:concordances":{"gp:id":"12790309"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":4.7360049785672E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-97.032587,32.923703,-96.932727,32.997422","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-96.984664,"wof:geomhash":"02df306b28e66f3fe1acd31f4c38915b","wof:parent_id":101724393,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Coppell"}