15035 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.384822,"wof:name":"15035","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102080887,"localadmin_id":404482823,"locality_id":101718709,"postalcode_id":554703387,"region_id":85688481}],"mz:is_deprecated":0,"lbl:latitude":40.384822,"geom:area":1.14E-4,"geom:longitude":-79.807401,"wof:id":554703387,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184482,"wof:belongsto":[102191575,85633793,102080887,404482823,101718709,85688481],"wof:concordances":{"gp:id":"12763561"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589729","geom:area_square_m":1073479.185895,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-79.816682,40.37749,-79.798097,40.391419","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-79.807401,"wof:geomhash":"7276fc0a7c092415727e270f7b725881","wof:parent_id":101718709,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"East Mc Keesport"}