43718 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.009467,"wof:name":"43718","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102083721,"localadmin_id":404523597,"postalcode_id":554720707,"region_id":85688485}],"mz:is_deprecated":0,"lbl:latitude":40.015007,"mz:postal_locality_alt":["Morristown"],"geom:area":0.014726,"geom:longitude":-81.000912,"wof:id":554720707,"counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1611185451,"wof:belongsto":[102191575,85633793,102083721,404523597,85688485],"wof:concordances":{"gp:id":"12776426"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589533","geom:area_square_m":1.39467081268422E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-81.11875,39.909118,-80.890322,40.098571","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-80.998096,"wof:geomhash":"c828530fcc735f707b673cce9d880c0f","wof:parent_id":404523597,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Belmont"}