68464 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.428608,"wof:name":"68464","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102082745,"localadmin_id":404520889,"postalcode_id":554739837,"region_id":85688563}],"mz:is_deprecated":0,"lbl:latitude":40.428713,"mz:postal_locality_alt":["Waco"],"geom:area":0.022121,"geom:longitude":-97.198678,"wof:id":554739837,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611182675,"wof:belongsto":[102191575,85633793,102082745,404520889,85688563],"wof:concordances":{"gp:id":"12787699"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589213","geom:area_square_m":2.08210972100025E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-97.274086,40.349779,-97.103307,40.531769","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-97.206941,"wof:geomhash":"782b1767e395c213076c78561b7ba5f4","wof:parent_id":404520889,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Western"}