78834 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":28.464275,"wof:name":"78834","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102082487,"postalcode_id":554747183,"region_id":85688753}],"mz:is_deprecated":0,"lbl:latitude":28.454034,"geom:area":0.133374,"geom:longitude":-99.921383,"wof:id":554747183,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183485,"wof:belongsto":[102191575,85633793,102082487,85688753],"wof:concordances":{"gp:id":"12792370"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590070","geom:area_square_m":1.449830795935508E9,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-100.114345,28.197819,-99.58855,28.648122","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-99.917847,"wof:geomhash":"1793916a6f75d52fe1afec97fe8f307f","wof:parent_id":102082487,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Carrizo Springs"}