40997 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":36.877439,"wof:name":"40997","counts:names_total":0,"wof:placetype":"postalcode","wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102084387,"postalcode_id":554719139,"region_id":85688641}],"mz:is_deprecated":0,"lbl:latitude":36.894542,"geom:area":0.005525,"geom:longitude":-83.68498,"wof:id":554719139,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1480798576,"wof:belongsto":[102191575,85633793,85688641,102084387],"wof:concordances":{"gp:id":"12775458"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12588536","geom:area_square_m":5.464916442279E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-83.746365,36.827061,-83.615552,36.937314","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-83.662034,"wof:geomhash":"eeed8f37a35a93d7fa1fccc23393200b","wof:parent_id":102084387,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}