17579 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":39.957559,"wof:name":"17579","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081377,"localadmin_id":404485435,"postalcode_id":554705303,"region_id":85688481}],"mz:is_deprecated":0,"lbl:latitude":39.960406,"geom:area":0.003821,"geom:longitude":-76.179929,"wof:id":554705303,"counts:concordances_total":1,"geom:type":"MultiPolygon","wof:lastmodified":1611184112,"wof:belongsto":[102191575,85633793,102081377,404485435,85688481],"wof:concordances":{"gp:id":"12764835"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589763","geom:area_square_m":3.6218157767185E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-76.220527,39.917658,-76.134932,40.002663","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-76.180752,"wof:geomhash":"0a6757dfc6c7b22434e79d473eeb2fd9","wof:parent_id":404485435,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Strasburg"}