37037 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":35.702775,"wof:name":"37037","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102086355,"postalcode_id":554716441,"region_id":85688701}],"mz:is_deprecated":0,"lbl:latitude":35.703083,"geom:area":0.01913,"geom:longitude":-86.351555,"wof:id":554716441,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611185362,"wof:belongsto":[102191575,85633793,102086355,85688701],"wof:concordances":{"gp:id":"12773766"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589986","geom:area_square_m":1.92090171287006E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-86.524051,35.631913,-86.19348,35.76055","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-86.351238,"wof:geomhash":"c4610515e6e9f459424111bf8021c81c","wof:parent_id":102086355,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Christiana"}