75756 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":32.304039,"wof:name":"75756","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086741,"locality_id":101724933,"postalcode_id":554744801,"region_id":85688753}],"mz:is_deprecated":0,"lbl:latitude":32.302029,"mz:postal_locality_alt":["Frankston"],"geom:area":0.01708,"geom:longitude":-95.600041,"wof:id":554744801,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184747,"wof:belongsto":[102191575,85633793,102086741,101724933,85688753],"wof:concordances":{"gp:id":"12790738"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590113","geom:area_square_m":1.78510792301478E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-95.684892,32.213846,-95.499157,32.372698","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-95.600894,"wof:geomhash":"c0dec6f6b46d1637f25da543d7ee2e9d","wof:parent_id":101724933,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Brownsboro"}