29827 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":32.964607,"wof:name":"29827","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102085681,"postalcode_id":554712575,"region_id":85688683}],"mz:is_deprecated":0,"lbl:latitude":32.963155,"geom:area":0.026257,"geom:longitude":-81.253302,"wof:id":554712575,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611183712,"wof:belongsto":[102191575,85633793,102085681,85688683],"wof:concordances":{"gp:id":"12770426"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589802","geom:area_square_m":2.7240089641265E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-81.451692,32.854162,-81.082291,33.071726","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-81.253906,"wof:geomhash":"1154f1d8d484bd6cd41f201ef70d4130","wof:parent_id":102085681,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Fairfax"}