23834 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":37.289747,"wof:name":"23834","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102084955,"postalcode_id":554708359,"region_id":85688747}],"mz:is_deprecated":0,"lbl:latitude":37.290583,"geom:area":0.006156,"geom:longitude":-77.403647,"wof:id":554708359,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611182785,"wof:belongsto":[102191575,85633793,102084955,85688747],"wof:concordances":{"gp:id":"12767493"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"2347605","geom:area_square_m":6.0560080564489E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-77.475482,37.233157,-77.349689,37.342736","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-77.404112,"wof:geomhash":"f1c2efd0d36c3b34dc1c5967d4391d5a","wof:parent_id":102084955,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Colonial Heights"}