23027 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":37.645382,"wof:name":"23027","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086713,"postalcode_id":554708045,"region_id":85688747}],"mz:is_deprecated":0,"lbl:latitude":37.646476,"mz:postal_locality_alt":["Cumberland"],"geom:area":0.012113,"geom:longitude":-78.133939,"wof:id":554708045,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611182792,"wof:belongsto":[102191575,85633793,102086713,85688747],"wof:concordances":{"gp:id":"12767156"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12590337","geom:area_square_m":1.18595212009234E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-78.200527,37.563957,-78.072256,37.74432","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-78.130174,"wof:geomhash":"3c9635b149df975ce9535502725a2207","wof:parent_id":102086713,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Cartersville"}