45434 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":39.721576,"wof:name":"45434","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102084765,"localadmin_id":404525275,"locality_id":101712659,"postalcode_id":554721995,"region_id":85688485}],"mz:is_deprecated":0,"lbl:latitude":39.721385,"mz:postal_locality_alt":["Beavercreek"],"geom:area":0.002888,"geom:longitude":-84.028982,"wof:id":554721995,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184963,"wof:belongsto":[102191575,85633793,102084765,404525275,101712659,85688485],"wof:concordances":{"gp:id":"12777302"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":2.7470938651557E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-84.070948,39.691481,-83.990816,39.768037","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-84.031824,"wof:geomhash":"e7e94a824ec1099b0fca38d8b34d5069","wof:parent_id":101712659,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Dayton"}