17768 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":41.547623,"wof:name":"17768","counts:names_total":0,"wof:placetype":"postalcode","wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081281,"localadmin_id":404484047,"postalcode_id":554705365,"region_id":85688481}],"mz:is_deprecated":0,"lbl:latitude":41.558836,"geom:area":0.008237,"geom:longitude":-76.749647,"wof:id":554705365,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1480831133,"wof:belongsto":[85688481,102191575,404484047,85633793,102081281],"wof:concordances":{"gp:id":"12764889"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589784","geom:area_square_m":7.622747368717E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-76.813731,41.481276,-76.677861,41.590034","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-76.755985,"wof:geomhash":"e017924ddc4daa20542196b6883cbde8","wof:parent_id":404484047,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu"}