16870 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.800054,"wof:name":"16870","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102081369,"localadmin_id":404485889,"postalcode_id":554704773,"region_id":85688481}],"mz:is_deprecated":0,"lbl:latitude":40.800878,"geom:area":0.018822,"geom:longitude":-78.060248,"wof:id":554704773,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611184523,"wof:belongsto":[102191575,85633793,102081369,404485889,85688481],"wof:concordances":{"gp:id":"12764500"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"gp:parent_id":"12589741","geom:area_square_m":1.76177942278829E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-78.211288,40.739127,-77.900538,40.867788","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-78.061907,"wof:geomhash":"b0eb2e7f5ded55608a8539a6a7b91de1","wof:parent_id":404485889,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Port Matilda"}