38330 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":36.06711,"wof:name":"38330","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086403,"postalcode_id":554717469,"region_id":85688701}],"mz:is_deprecated":0,"lbl:latitude":36.070504,"geom:area":0.018045,"geom:longitude":-89.036492,"wof:id":554717469,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611185029,"wof:belongsto":[102191575,85633793,102086403,85688701],"wof:concordances":{"gp:id":"12774405"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589938","geom:area_square_m":1.80365169687013E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-89.147632,36.002412,-88.915248,36.142596","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-89.034414,"wof:geomhash":"d45efac0014f3e01fe2b4dcd48c808b5","wof:parent_id":102086403,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Dyer"}